สถิติ
เปิดเมื่อ28/01/2015
อัพเดท19/06/2024
ผู้เข้าชม2219248
แสดงหน้า2731977
ปฎิทิน
November 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 743868 | ตอบ 8448
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 :
6158
อ้างอิง

kunal tomar
In our opinion, every organization must have this quality because it determines the brand value among the ocean of customers. Delhi Escorts We are concerned about our services and do our best to delight every single customer. For us, their status doesn't matter instead we focus on their needs and try to please their need in all the possible manners.
 
kunal tomar [122.162.147.xxx] เมื่อ 11/09/2023 14:21
6159
อ้างอิง

kunal tomar
They are expert in giving various kinds of sex in distinct styles and postures to give most scintillating and content full experience in bed. Escorts in Delhibe safe and absolutely secured while enjoying their services as they not only safeguard your health but also give full privacy to each and every client hiring them.
 
kunal tomar [122.162.147.xxx] เมื่อ 11/09/2023 14:45
6160
อ้างอิง

kunal tomar
Few out of every odd Delhi escort organization can give a fantasy accomplice. You will feel lucky to have arrived on this page. That is on the grounds that our office is a center for illustrious and beguiling women. Delhi Escort We have youthful, adult, dainty, and attractive ladies in our assortment. The horny females are super-accommodating and sweet in managing clients. Their tastefulness and awe-inspiring carry numerous minds to the psyche of clients.
 
kunal tomar [122.162.147.xxx] เมื่อ 11/09/2023 15:21
6161
อ้างอิง

RuchiPal
Are you looking for the hottest escorts girl service in Andheri ? If so, you should contact Ruchipal today! Our agency is dedicated to providing our clients with certified and fresh escort girls from all over the world.

At Ruchipal, we value the will of the people and provide top-notch services. To vouch for our quality, you can check out reviews of our service on our website right now. Be rest assured that you will feel completely relaxed and rejuvenated when you are with our Andheri escorts girls!

We are also offering a 20% discount on booking our service today. Make sure to grab the offer to benefit from the best Andheri escorts girls at low prices.

So, don't wait anymore and contact Ruchipal now to get the hottest escorts girl service in Andheri. We look forward to serving you soon!

Are you looking for a sensual,
experience  high-class escort in Andheri ? If so, you need to contact Ruchipal immediately! We connect you with beautiful, certified escorts from all over the world with incredible services that will make your experience extra special.

Our Andheri escort agency is made up of only the best-trained and highly-skilled escorts available in the city. The girls provide unforgettable experiences that will keep you coming back for more. Plus, you can review the services offered by our escorts on our website.

What makes us the best Andheri escort service ? We guarantee that all of our services are safe, secure, and provided with the highest level of care and respect. Plus, we offer excellent pricing, so you can get amazing services at an affordable rate.

We also have a 20% discount available for those who book today, so don't miss out on this fantastic deal. Book now and get incredible teenage Andheri escorts for low prices. Indulge yourself in an unforgettable experience and contact us now!
 
RuchiPal [110.172.141.xxx] เมื่อ 11/09/2023 15:51
6162
อ้างอิง

mayasen
 
ลิงค์ที่เกี่ยวข้อง : https://www.faridabadescorts.co.in/
mayasen [182.69.245.xxx] เมื่อ 11/09/2023 16:05
6163
อ้างอิง

mayasen23
 
ลิงค์ที่เกี่ยวข้อง : https://www.faridabadescorts.co.in/
mayasen23 [182.69.245.xxx] เมื่อ 11/09/2023 16:07
6164
อ้างอิง

Call Girls in Faridabad

How To Hire Young Faridabad Call Girls For Fulfillment Of Lonely Night?

Welcome to our call girls in faridabad agency and out with such countless various types of agreeable assistance offers and more often than not individuals truly working more diligently and many are in any event, telling that the individuals who are included are the ones who might want to appreciate out the rich enhanced and fixings according to the necessity. The time-frame will contrast dependent on the expenses. You can work the faridabad escorts several hours or an entire day. In granddad provisos, there are activities where you can fly alongside them for your association ventures.

Best Service Of Call Girl in faridabad || Faridabad call girl Service

I am Payalroy an independent hot, beautiful sexy call girl living in faridabad Haryana, India. So if you are looking or searching out for the best escort service in faridabad which can offer to satisfy all your sexual pleasure and needs then do contact us or just go through our website to know more in details. I do prefer incall and outcall escort service in faridabad hotels. To book or to hire our faridabad escort service just call or whatsapp me. To know more about us just click on the given below links:-

cheap call girls in faridabad
call girl in faridabad
faridabad call girls service
call girl number in faridabad
independent call girls in faridabad
call girl number faridabad
faridabad call girl no
escort service in faridabad
escort girls in faridabad
faridabad call girl number

Book Faridabad Escort Service & Model Call Girls Experience

Male customers can unhesitatingly audit their administration kind just as affirm the alternative for the favored sexual relations administrations at their agreeable area. You can either go for the in call or outcall provisionary on the capacity offered by the model call girl in faridabad you select for the actual wild gathering.

High profile call girls in faridabad can straightforwardly enlighten the perspective of your esteemed association client and acquire them to fall head over heels. You can rapidly book a faridabad call girl young lady for your secretly arrangement lone wolf or pleasant gathering. For the entertainment festivity, you can make your choice from the singing low rates call girls in faridabad, captivating air ladies, hot school Girls, breathtaking figure autonomous homemakers or you can pick from every one of the sorts to cause your part in your occasion to have a fabulous time in the great occasion.

You simply require reaching out to escort service in faridabad for the alternative to the different kinds of your call young ladies accompanies in escort service in faridabad and furthermore lining urban areas. You are ensured hundred percent secrecy, assurance, fulfillment, protection, just as unmatched non-intrusive treatment.

Why pause? Surge right now for the booking check of the never-ending sensual or non-suggestive diversion in the city of Faridabad.

Sex in faridabad
faridabad sex girl
Sex at faridabad
faridabad girl sex
Women seeking men in faridabad
faridabad sex
Call girl full night
Girls for sex in faridabad
Girls in faridabad
Call girls in faridabad
faridabad call girl

Housewife call girls in faridabad
College call girls in faridabad
High profile call girls in faridabad
Independent call girls in faridabad
Russian call girls in faridabad
Model call girls in faridabad
Airhostess call girls in faridabad
Foreigner call girls in faridabad
VIP call girls in faridabad

Exploring Love With Indian Faridabad Escort Service

As a matter of first importance college call girls in faridabad agency keeps up profoundly standard assistance and it is the explanation a few sorts of fixings are all there who are offering such countless various types of administrations that many would say that they are the ones who are exceptionally ingenious and energetic too.

Satisfying the need of a capable call young lady is certainly not a simple assignment. You need a strong force and high energy. You can totally overwhelm any sort of faridabad call girl by proceeding certain. The actual pleasure in the Escorts is most extreme.

For those that are the amateur dating accomplice of the escorts, they should realize that these are appealing faridabad call girl and young ladies who are attempting to track down a wild fun at the best rates. You can take these Escorts Girls to the space of your choice and furthermore love with them.

Each organization has a definite model, and furthermore escort administration is the same in Faridabad. In the assorted escort firms promptly accessible in prostitute in faridabad, would straight be able to demand for the sex-related delight arrangement dependent on your optimal rendition. You can either plan the autonomous female prostitute in faridabad or you can pick firm bound escort arrangement.

High Class Escorts For clients in Faridabad

At the point when you consider Hi Profile independent call girls in faridabad, envision posh, knowledgeable and beutiful women. Our services are carefully designed to give all clients even those at the higher level of academia and management equal support. Most of them have up to university degrees. Besides, they also undergo additional training to ensure they know how to handle all clients well. If you want independent call girls in faridabad for a high profile dating and meeting with close friends, leaders, or managers, the girls are easily adaptable. They take that proficient standpoint at each progression so your expert picture is improvedDo you ever imagine sex with your favorite celebrity? We all do don’t we? So now is the chance to get close to a faridabad model escort. Celebrity escorts in faridabad are the dream celebrity call girls you are looking for.


faridabad escorts
Escorts in faridabad
faridabad escort
faridabad Escorts service
Escort Service in faridabad
Housewife escorts in faridabad
College escorts in faridabad
High profile escorts in faridabad
Independent escorts in faridabad
Russian escorts in faridabad
Model escorts in faridabad
Airhostess escorts in faridabad
Foreigner escorts in faridabad
VIP escorts in faridabad

Housewives Escorts In Faridabad

Escort service in faridabad has an extensive range of women’s choices from urban regions of the city, our company leaves no stone unturned to allow you to feel the world beyond your imaginations. If someone requests to describe college call girls in faridabad in 1 sentence, then- The housewife escorts in faridabad is an updated version of 100 sexy young women. This is the simplest way an individual can ever use to specify a mature woman. We can not do best than this, And that’s our power that finishes here. There’s a lot to understand more about the categories, services, and features of homemakers Faridabad call girls that’s a different part from this.You would really have to spend a night with one of these ultra-gorgeous babes from college call girls in faridabad to find out for yourself what it is that makes these hot faced babes so wanted among our clients.

Contact For Amazing Service

We at Faridabad escort service are there for you for 24 hours we can serve you in Faridabad for you we can serve you in inns and additional spots we can furnish you with incredible administrations.

Some Other Useful Resources:-

cheap call girls in faridabad || call girls in sector 37 faridabad || call girls in bptp faridabad || vip call girls in faridabad || faridabad escort girl || call girl faridabad mobile number
call girls service faridabad || call girls in faridabad locanto || call girls in green field faridabad || russian escorts in faridabad || call girl in ballabgarh || online booking call girl

 
ลิงค์ที่เกี่ยวข้อง : https://www.payalroy.com/
Call Girls in Faridabad [182.69.245.xxx] เมื่อ 11/09/2023 16:33
6165
อ้างอิง

Onedergon
แค่สมัครเท่านั้นเข้ามารับโปรโมชั่นกันเลยจัดเต็มแจกทุกวันสล็อตฝาก5รับ100ไม่จำเป็นต้องมีเงินเยอะเงินโบนัสจะถูกเพิ่มเข้าบัญชีของคุณทันที100บาทเมื่อคุณฝากเงินเข้าเพียง 5 บาทเท่านั้นท่านใดที่มีทุนน้อยจะต้องไม่พลาดโอกาสนี้
 
 
Onedergon [193.37.32.xxx] เมื่อ 11/09/2023 16:44
6166
อ้างอิง

เว็บสล็อต
pg slot ทำเกมออกมาใหม่แทบทุกสัปดาห์ ทุกชั่วโมงของเงินรางวัล nagaslot
 
ลิงค์ที่เกี่ยวข้อง : https://gd-slot.net/ทดลองเล่นสล็อต/
เว็บสล็อต [110.164.140.xxx] เมื่อ 11/09/2023 17:21
6167
อ้างอิง

เว็บสล็อต
อัพเดทเกมสล็อตใหม่ล่าสุดค่าย game slot อยู่เสมอ เพื่อรอให้ผู้ใช้งานเข้ามาเล่นกันอย่างสนุกสนาน https://tgabet88.com/
 
เว็บสล็อต [110.164.140.xxx] เมื่อ 11/09/2023 17:22
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846
ความคิดเห็นของผู้เข้าชม
ชื่อผู้แสดงความคิดเห็น :
สถานะ : รหัสผ่าน :
ลิงค์ที่เกี่ยวข้อง :
รหัสความปลอดภัย :