สถิติ
เปิดเมื่อ28/01/2015
อัพเดท10/11/2023
ผู้เข้าชม1702251
แสดงหน้า2161311
ปฎิทิน
April 2024
Sun Mon Tue Wed Thu Fri Sat
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
    
สมาชิก

สมัครสมาชิก | ลืมรหัสผ่าน

ทังสเตนคาร์ไบด์

อ่าน 507570 | ตอบ 7779
ทังสเตนคาร์ไบด์
       ทังสเตนคาร์ไบด์ (อังกฤษ: tungsten carbide) มีสูตรเคมีคือ WC ในรูปพื้นฐานจะมีลักษณะเป็นผงสีเทาละเอียด มี 2 โครงสร้างคือแบบหกเหลี่ยม (α-WC) และแบบลูกบาศก์ (β-WC)
 
       ทังสเตนคาร์ไบด์เตรียมได้จากการทำปฏิกิริยาระหว่างทังสเตนกับคาร์บอนที่อุณหภูมิ 1400–2000 °C[3] หรือให้ความร้อนกับทังสเตนไตรออกไซด์และแกรไฟต์โดยตรงที่ 900 °C หรือในแก๊สไฮโดรเจนที่ 670 °C ตามด้วยการคาร์บิวไรเซชันในแก๊สอาร์กอนที่ 1000 °C[4] หรือใช้วิธีการเคลือบด้วยไอเคมี เช่น
  • ทำปฏิกิริยาระหว่างทังสเตนเฮกซะคลอไรด์กับไฮโดรเจนและมีเทนที่อุณหภูมิ 670 °C (1,238 °F)
 WCl6 + H2 + CH4 WC + 6 HCl
  • ทำปฏิกิริยาระหว่างทังสเตนเฮกซะฟลูออไรด์กับไฮโดรเจนและเมทานอลที่อุณหภูมิ 350 °C (662 °F)
                WF6 + 2 H2 + CH3OH → WC + 6 HF + H2O
       ทังสเตนคาร์ไบด์มีจุดหลอมเหลวที่ 2,870 °C (5,200 °F) และจุดเดือดที่ 6,000 °C (10,830 °F) มีความแข็งระดับ 9 ตามมาตราโมสและประมาณ 2600 ตามมาตราวิกเคอส์[5] ทังสเตนคาร์ไบด์มีความแข็งเกร็งมากกว่าเหล็กกล้าประมาณ 2 เท่า มีค่ามอดุลัสของยังประมาณ 530–700 GPa (77,000–102,000 ksi)[2][6][5][7] โมดูลัสของแรงบีบอัด 630–655 GPa และโมดูลัสของแรงเฉือน 274 GPa[8]
 
ด้วยคุณสมบัติความแข็งและทนความร้อนสูง ทังสเตนคาร์ไบด์จึงใช้ทำเป็นเครื่องมือตัดหรือหัวเจาะ ใช้ทำกระสุนเจาะเกราะ เครื่องมือผ่าตัด อุปกรณ์กีฬา เครื่องประดับและอื่น ๆ
 
 
 
 
 
 
 
 
 
 
อ้างอิง
 
  1. Kurlov, p. 22
  2. Blau, Peter J. (2003). Wear of Materials. Elsevier. p. 1345. ISBN 978-0-08-044301-0.
  3. Pierson, Hugh O. (1992). Handbook of Chemical Vapor Deposition (CVD): Principles, Technology, and Applications. William Andrew Inc. ISBN 0-8155-1300-3.
  4. Zhong, Y.; Shaw, L. (2011). 'A study on the synthesis of nanostructured WC–10 wt% Co particles from WO3 , Co3O4 , and graphite'. Journal of Materials Science 46 (19): 6323–6331. Bibcode:2011JMatS..46.6323Z. doi:10.1007/s10853-010-4937-y.
  5. Groover, Mikell P. (2010). Fundamentals of Modern Manufacturing: Materials, Processes, and Systems. John Wiley & Sons. p. 135. ISBN 978-0-470-46700-8.
  6. Kurlov, p. 3
  7. Cardarelli, François (2008). Materials Handbook: A Concise Desktop Reference. Springer Science & Business Media. pp. 640–. ISBN 978-1-84628-669-8.
  8. Kurlov, pp. 30, 135
  9. Sprince, NL.; Chamberlin, RI.; Hales, CA.; Weber, AL.; Kazemi, H. (1984). 'Respiratory disease in tungsten carbide production workers'. Chest 86 (4): 549–557. PMID 6434250. doi:10.1378/chest.86.4.549.
  10. 12th Report on Carcinogens'. National Toxicology Program. http://ntp.niehs.nih.gov/go/roc12. เรียกข้อมูลเมื่อ 2011-06-24.
ความคิดเห็น :
6468
อ้างอิง

pgslot
 
pgslot [110.164.140.xxx] เมื่อ 29/09/2023 22:16
6469
อ้างอิง

slot online
 
slot online [110.164.140.xxx] เมื่อ 29/09/2023 22:17
6470
อ้างอิง

daftar slot
 
daftar slot [110.164.140.xxx] เมื่อ 29/09/2023 22:18
6471
อ้างอิง

Peggy
hello there and thank you for your information – I have definitely picked up anything new from right here. I did however expertise a few technical issues using this web site, as I experienced to reload the site lots of times previous to I could get it to load correctly. I had been wondering if your hosting is OK? Not that I am complaining, but slow loading instances times will very frequently affect your placement in google and can damage your quality score if advertising and marketing with Adwords. Well I am adding this RSS to my email and can look out for much more of your respective intriguing content. Make sure you update this again very soon.
 
ลิงค์ที่เกี่ยวข้อง : https://aipornlist.com/
Peggy [143.244.41.xxx] เมื่อ 30/09/2023 00:29
6472
อ้างอิง

Michale
When I initially commented I clicked the "Notify me when new comments are added" checkbox and now each time a comment is added I get several emails with the same comment. Is there any way you can remove me from that service? Bless you!
 
ลิงค์ที่เกี่ยวข้อง : https://evigetir.com/Nakliyeci-fr-lv
Michale [198.23.214.xxx] เมื่อ 30/09/2023 04:49
6473
อ้างอิง

Toto Slot

Toto Slot is the best online lottery and gacor slot site of all time, with the highest win rate in online slot games and big prizes in toto lottery games.

My Site:  Toto Slot

 
ลิงค์ที่เกี่ยวข้อง : https://www.fondationshoah.org/-/toto-slot/
Toto Slot [103.138.192.xxx] เมื่อ 30/09/2023 14:23
6474
อ้างอิง

Call girls Faridabad

How To Book a Call Girls In Faridabad Step By Step Instructions?

On the off chance that you are searching for a method for having some good times without burning through much cash, you can book a call girls in Faridabad. Call young call girls are excellent, prudently free, and agreeable in any circumstance. They will give you the sort of sexual experience you pine for without breaking your financial plan. Book a Faridabad call girls and partake in the experience of having intercourse free of charge! Peruse on to look further into young independent call girls in Faridabad and how to book one for yourself.

Call girls in Faridabad, Faridabad call girls, Call girls Faridabad, Faridabad escort service, Escort service Faridabad, Escort service in Faridabad

Sex With a Call Girls in Faridabad Is Fun

If you have any desire to get into sex with a neighborhood cheap call girls in Faridabad, you've come to the ideal locations. These delightful call girls are prepared to give you anything you want. You can have a dull and fulfilling sex insight in Faridabad. They are exceptionally free and couldn't want anything more than to live it up. You might in fact employ a college call girls in Faridabad for a private or semi-private meeting. The call young call girls that work for Faridabad accompanies are wonderful at what they do. Their eyes are lovely and their bodies soften. Call girls service in Faridabad will make the night an extraordinary encounter.

Call girls in Faridabad, Faridabad call girls, Call girls Faridabad, Faridabad escort service, Escort service Faridabad, Escort service in Faridabad

They will comprehend your sexual longings better than you do, and they will be your best sidekick on a hot evening. To have some good times night out in Faridabad, ensure you book a Faridabad call girls and let her cause you to feel attractive and ruined. Faridabad call girls are costly. Men who can bear to get them costly things and give them gifts truly do well with them in Faridabad. Russian call girls in Faridabad call girls will very much want to get costly gifts, particularly planner purses. On the off chance that you can stand to purchase such things, you will establish an extraordinary connection with them. Nonetheless, ensure you have a lot of money close by. Call girls available in Faridabad at cheap rates are communicating in Hindi is a special reward. It helps while playing with call girls in Hindi. In Faridabad, you can track down a sex specialist in a few whorehouses. These massage parlors are situated around Road, which is close to the rail route station. You will track down most houses of ill-repute on the upper floors of structures. You'll track down shops first floor that sell things. These whorehouses are generally calm and attentive. While moving toward a call girls, make certain to look at her first before you take part in sex. Make sure to take condoms if you have any desire to engage in sexual relations with a call girls.

Call girls in Faridabad, Faridabad call girls, Call girls Faridabad, Faridabad escort service, Escort service Faridabad, Escort service in Faridabad

Is Taking Escort Service in Faridabad Free?

While searching for a date or something heartfelt, think about booking escort service in Faridabad. These women are amazingly hot and horny and will be strong in bed. The most outstanding aspect? You can without much of a stretch book them on the web. You should simply look on the web free of charge Faridabad call young call girls Service. All things considered, who could do without gifts? So why not book one in call girls in sector 37 Faridabad today? Follow a couple of basic advances, and you could be partaking in the best date of your life quickly. To start with, considering the age and actual look of your date is significant.

Call girls in Faridabad, Faridabad call girls, Call girls Faridabad, Faridabad escort service, Escort service Faridabad, Escort service in Faridabad

Assuming you're a man, you can pick a lady who's not excessively youthful or excessively old. There are additionally numerous choices accessible in the event that you're single and searching for a more careful encounter. While booking call girls service in Faridabad, you'll have the option to pick the specific sort of call girls that is ideal for you in light old enough and looks. While booking a Faridabad call girl service, make a point to pick an expert who has a lot of involvement in accompanies. These attractive escorts will guarantee that your date has a great time. They'll likewise be glad to show you the sights and hints of the city! It's thoroughly allowed to book Faridabad escorts service on the web. The main downside is the expense, yet the fulfillment you'll get is precious. Whether you're searching for a hot girls in Faridabad or an erotic escort in any city, Faridabad call girls service cash payment can give you a long period of friendship. Most people believe that significance organization requires monster measures of money. Truly a Faridabad call girl cash payment can furnish you with an escort for a little expense. You'll be agreeably shocked at the scope of organizations you can get.

Call girls in Faridabad, Faridabad call girls, Call girls Faridabad, Faridabad escort service, Escort service Faridabad, Escort service in Faridabad

It Is Normal

You can book cash payment Faridabad call girls for any sort of event. These young call girls are prepared to take care of men's necessities, whether they're searching for condom or dental sex. You might actually demand them to come wearing a specific outfit. These escorts will give their best for make your involvement with Faridabad as exceptional as could really be expected. You can reach them through email or telephone to make your booking. In the event that you're looking for a hot escort, you've come to the ideal locations. Escort Girl Faridabad work freely from one another. Faridabad call girl have their own places and organizations.

Call girls in Faridabad, Faridabad call girls, Call girls Faridabad, Faridabad escort service, Escort service Faridabad, Escort service in Faridabad

You can look for accompanies in low rates call girls in Faridabad on web records, which records the very best call young call girls in the city. Simply peruse the postings and make your booking! You'll track down the ideal call girls for you. Accompanies Service Faridabad can be an incredible choice assuming you're searching for a cautious method for dazzling a man. Their full figure, magnificent bends and wide abdomen will draw in any man. You might in fact book a Faridabad call girls cash payment through an escort organization and get the sex you've for practically forever cared about. You'll be dealt with like a sovereign by these women! Whenever you book a Faridabad call girls, you'll get an attentive, provocative escort in not more than minutes! Money down Faridabad call girls are prepared to cause you to feel like eminence. They can likewise be very hot! They are prepared to cause you to feel like sovereignty, and the experience is unsurpassable! What's more, it's altogether protected and clean. There are no problem assuming you're hesitant to request a call girls. You'll be astounded by what you can anticipate! With the numerous choices accessible, it's hard not to find a call girls in Faridabad that will make your experience remarkable!

It Is An Extraordinary Method For Burning Through Cash For Faridabad Call Girls Service

Call girls Faridabad cash payment can give you a remarkable night experience. Whether you're a man or a lady, they're all anxious to please and will do an amazing job to satisfy you. You could have intercourse in a hurry with free call young call girls in Faridabad. They'll be glad to give you a great time regardless of anything else the hour. Assuming you're searching for an arousing experience, call Faridabad escorts service today. Whether you're needing a personal evening or simply need to brighten up your evening, Faridabad escorts service cash payment are prepared to give you a remarkable encounter. Their fragile looks and serious horniness will definitely knock some people's socks off and give you a memorable night. Assuming you're hoping to spend your cash on an erotic night out in Faridabad, call the young call girls in BPTP Faridabad and hang out. The young call girls are extremely hot and exceptionally horny and they'll give an extraordinary involvement with bed. To ensure you get the best help, consistently make sure to peruse client surveys and analyze costs before you book a meeting with a call girl. Be clear about the thing you're searching for and make certain to impart them to the call girls in green field Faridabad with the goal that she can satisfy your necessities. Make sure to constantly treat your call girl with amazing skill, don't deal over the cost or request more than you initially consented to pay. Similarly as with any date, make certain to follow these tips while reaching a Faridabad call girl. You won't ever lament your choice to have some good times and vital involvement in these lovely women! There are a few distinct offices that offer these types of assistance. Some of them have practical experience in providing these call girls to different areas in Faridabad . The greater part of them charge cash for the photographs they take and offer different types of assistance. Before you pick a specific office, actually look at the standing of the organization. When in doubt, little kids pick the office that is nearest to their work environment. Assuming you're searching for an escort in Faridabad, now is the right time to do as such!

It Is An Incredible Method For Taking Up Call Girls In Faridabad

On the off chance that you are searching for an effective method for getting up call gril Faridabad, begin by considering something positive. It very well may be espresso in the first part of the day, getting into a familiar sweater, playing with a pet, watching your number one TV show, going to the recreation area, or meeting a companion for breakfast. By picturing these positive things, you are probably going to need to get up and begin the day! In the event that you can't get up, take a stab at changing your dozing plan. In the event that you rest excessively, you may not feel rested. You can likewise take a stab at starting off prior with the goal that you have more energy during the day. You will be happy you did! You'll have more energy over the course of the day when you are getting sufficient rest. Changing your rest timetable can be hard, however it's most certainly worth the effort. Moving your morning timer far away from your bed can assist you with getting up call girls in Faridabad locanto. Washing up can assist you with getting blood streaming and wake up. Have a go at extending for a couple of moments to get your blood streaming and wake you up. It can likewise assist with changing your rest cycle so you get the most ideal rest. This will assist you with returning to an ordinary rest plan and work on your state of mind. Getting up is anything but a simple undertaking in the colder time of year. You could have to hit the rest button a few times or look at online entertainment to get up at last. In any case, with these virtuoso tips from national sleep foundation and FEMAIL, getting up can be just about as basic as 60 seconds. Anyway, what are you sitting tight for escort service in Faridabad? Begin taking advantage of the cold weather a very long time by capitalizing on these virtuoso tips!

Call girls in Faridabad are a definitive delight searchers and they can give you a remarkable encounter. You can observe call girls well as Russian ones in the city. These provocative call girls are thoroughly prepared experts and flawlessly serve their clients. Their costs are sensible and you can undoubtedly manage the cost of their administrations. Besides, you can pick any of them as indicated by your taste and financial plan. Here are a few hints to see as the best one. Call young call girls, first of all, are reasonable. These call girls have broad information about how to make a lovemaking scene and satisfy their clients' requests. We as a whole know that without assortment in our lives, life becomes exhausting. Consequently, we expect connection to tackle our close to home issues. On the off chance that we have no connection, proposing a remedy is inconceivable. In this specific situation, we can utilize a number of gorgeous women in Faridabad escort service. So, get ready to enjoy an unforgettable experience!!

 
ลิงค์ที่เกี่ยวข้อง : https://www.smitarana.com/
Call girls Faridabad [182.68.53.xxx] เมื่อ 30/09/2023 16:07
6475
อ้างอิง

big gaming
สนุกกับเกมออนไลน์ได้ครบวงจรกับ BIG GAMING รับรองได้เลยว่าไม่มีเบื่อแน่นอน พร้อมให้บริการตลอด 24 ชั่วโมง ตัวเกมสามารถเข้าเล่นได้ทุกที่ทุกเวลา รองรับด้วยระบบใหม่ล่าสุด และรองรับได้ทุกภาษา ไม่ว่าจะเป็น ไทย จีน อังกฤษ พร้อมให้บริการอย่างเต็มที่แล้ววันนี้ทั่วประเทศ.
 
big gaming [49.228.121.xxx] เมื่อ 30/09/2023 16:50
6476
อ้างอิง

Danilo
My brother recommended I might like this blog. He used to be entirely right. This publish truly made my day. You cann't consider simply how a lot time I had spent for this information! Thank you!
 
ลิงค์ที่เกี่ยวข้อง : https://evigetir.com/Zeytinburnu-Evden-Eve-Nakliyat-pk-lb
Danilo [38.154.217.xxx] เมื่อ 30/09/2023 18:20
6477
อ้างอิง

girlshub

Cash Payment Call Girl Services in Bangalore 2500 with A/C Room

Similar to maintaining a good diet, getting enough sleep, and resting, amusement is a basic human requirement. Your life may become boring without enjoyment and delight, which could have a negative effect on your physical and mental well-being. Thankfully, escort services are here to save the day. They can awaken your senses, give you the most sensual pleasure, and fill your life with love, joy, laughter, and all the other wonderful things in life.

If you're looking for an escort agency for the first time and want to meet attractive and fashionable  Bangalore Call Girls , you need to pick a reputable agency—likely one that ranks in the top 1–5 spots on the first page of major search engines. Depend only on a reputable and knowledgeable adult services classified site or escort agency.

To have the best-in-class erotic delight, book a classy and hot independent  call girl in Bangalore  by considering the following six factors.

Center of Sexy, Diverse Hotties

Selecting a top adult service company with a hotspot of attractive call girls is the best option if you're seeking a professional call girl. A well-known adult service listed site would provide a wide range of autonomous escorts from different backgrounds, cultures, and professions to meet the demands of different types of pleasure seekers.

Real call girls available for in- or out-call services

Verify the accuracy of the model escorts in Bangalore that you have shortlisted by calling them at the provided WhatsApp number. They should be sincere, well-known, experienced, and prepared to offer in- or out-of-hours adult services at a cost that fits your budget.

Prudence and Security

You may be sure that you'll receive professional, curvaceous escort females providing high-quality adult entertainment if you hire premium and experienced models. They will respect your right to privacy and never divulge your personal data or trade secrets. Beyond this, you can be sure of total safety and privacy because they are carefully screened before hiring them.

Great Adult Entertainment at a Reasonable Price

Rich call ladies in Bangalore don't leave much room for yearning. To guarantee that every pleasure seeker can experience the ideal degree of sensual pleasure, fun, and amusement, they provide flawless, cheerful services at a cost that is affordable. When you reserve your ideal sensual companion for enjoyment, find out how much escort services charge per hour.

Fast and 24-hour Scheduling

You need to choose the most desirable escort female from a company that offers simple, 24/7 escort booking with a few clicks. You can easily get a gorgeous Bangalore independent call lady or a stylish model for a few hours of joyful services, or for a one-night stand, whether you're in a workplace or a hotel room.

Service and Payment Policy that is easy to use

A reputable supplier of escort services will have a well-thought-out service and payment policy that demonstrates their sincere desire to give their customers high-quality services. You can trust an agency of this kind to provide you with high-quality services if they have well-defined terms and conditions and flexible payment options.

Set away all of your worries and have the most rewarding sexual pleasure possible from the Cash Payment Call Girls Bangalore of your choice by checking her gallery and profile pages and making an escort reservation after speaking with her over the phone.

Visit Our Many Locations:-

Call Girls in Jodhpur

Call Girls in Jalandhar

Call Girls in Amritsar

Call Girls in Andheri

Call Girls in Indore

Call Girls in Mathura

Call Girls in Dwarka

Call Girls in Ahmedabad

Call Girls in Allahabad

Call Girls in Bangalore

Call Girls in Jaisalmer

Call Girls in Shimla

Call Girls in Chandigarh

Call Girls in Hyderabad

Call Girls in Kochi

Call Girls in Mount Abu

Call Girls in Chennai

Call Girls in Dehradun

Call Girls in Delhi

Call Girls in Jamshedpur

Call Girls in Mumbai

 
ลิงค์ที่เกี่ยวข้อง : http://girlshub.in/call-girl-in-amritsar/
girlshub [103.83.144.xxx] เมื่อ 30/09/2023 19:39
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779
ความคิดเห็นของผู้เข้าชม
ชื่อผู้แสดงความคิดเห็น :
สถานะ : รหัสผ่าน :
ลิงค์ที่เกี่ยวข้อง :
รหัสความปลอดภัย :