สถิติ
เปิดเมื่อ28/01/2015
อัพเดท19/06/2024
ผู้เข้าชม2218680
แสดงหน้า2731408
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 743409 | 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 :
1691
อ้างอิง

Priyakr

Which One is the Cheapest Escort Service in Guwahati?

Guwhati Escorts Service are so demandable nowadays for men & women. Here you will find many types of services provided by the Guwahati escort agency and each one its services has different prices some are cheapest and some expensive. So, Girls4You are here to provide you with variety of escort and call girls service in Guwahati.

Best Call Girl GuwahatiBest Call Girl Service GuwahatiBest Call Girl Site GuwahatiBest Call Girls GuwahatiBest Escort Service In IndiaBest Low Rate Call Girls GuwahatiEscort ServiceBest Escort Service GuwahatiBest Escort Services GuwahatiBest Escorts Service GuwahatiCal Girls GuwahatiCall Gairl GuwahatiCall Girl Agency GuwahatiCall Girl Agent GuwahatiCall Girl Agent Number GuwahatiCall Girl At Low Price GuwahatiCall Girl At GuwahatiCall Girl Booking GuwahatiCall Girl Broker GuwahatiCall Girl Charge GuwahatiCall Girl Charges GuwahatiCall Girl Cheap Guwahati

Best Call Girl GuwahatiBest Call Girl Service GuwahatiBest Call Girl Site GuwahatiBest Call Girls GuwahatiBest Escort Service In IndiaBest Escort Service GuwahatiBest Escort Services GuwahatiBest Escorts Service GuwahatiCal Girls GuwahatiCall Gairl GuwahatiCall Girl Agency GuwahatiCall Girl Agent GuwahatiCall Girl Agent Number GuwahatiCall Girl At Low Price GuwahatiCall Girl At GuwahatiCall Girl Booking GuwahatiCall Girl Broker GuwahatiCall Girl Charge GuwahatiCall Girl Charges GuwahatiCall Girl Cheap Guwahati

Call Girls in Guwahati

Housewife call girls in GuwahatiCollege call girls in GuwahatiHigh profile call girls in GuwahatiIndependent call girls in GuwahatiRussian call girls in GuwahatiModel call girls in GuwahatiAirhostess call girls in GuwahatiForeigner call girls in Guwahaticheap call girls in Guwahaticall girl in GuwahatiGuwahaticall girls servicecall girl number in Guwahatiindependent call girls in Guwahaticall girl number GuwahatiGuwahaticall girl noescort service in Guwahatiescort girls in GuwahatiGuwahaticall girl numberGirls for sex in GuwahatiGirls in GuwahatiCall girls in GuwahatiGuwahatiescortsEscorts in GuwahatiGuwahaticall girlsGuwahatiEscorts serviceEscort Service in GuwahatiHousewife escorts in GuwahatiCollege call girls in GuwahatiHigh profile escorts in Guwahaticall girl in Guwahaticall girl in GuwahatiIndependent call girls in GuwahatiRussian escorts in GuwahatiModel escorts in Guwahati

Call Girl Cheap Price GuwahatiCall Girl Cheap Rate GuwahatiCall Girl Contact GuwahatiCall Girl Contact No GuwahatiCall Girl Contact No. GuwahatiCall Girl Contact Number GuwahatiBest Low Rate Call Girls GuwahatiEscort ServiceCall Girl Contacts GuwahatiCall Girl Cost GuwahatiCall Girl Detail GuwahatiCall Girl Details GuwahatiCall Girl Direct Number GuwahatiCall Girl Escort GuwahatiCall Girl Escort Service GuwahatiCall Girl Escorts GuwahatiCall Girl Fee GuwahatiCall Girl Fees GuwahatiCall Girl For Night GuwahatiCall Girl For One Night GuwahatiCall Girl For Sex Guwahati

Call Girl Full Night GuwahatiCall Girl Home Service GuwahatiCall Girl Images GuwahatiCall Girl In Cheap Price GuwahatiCall Girl In Cheap Rate GuwahatiCall Girl In IndiaCall Girl In Low Price GuwahatiCall Girl In Low Rate GuwahatiCall Girl In GuwahatiCall Girl IndiaCall Girl IndianCall Girl Ka Number GuwahatiCall Girl Ka Rate GuwahatiCall Girl Ke Number GuwahatiCall Girl Ki Photo GuwahatiCall Girl Low Budget GuwahatiCall Girl Low Cost GuwahatiCall Girl Low Price GuwahatiCall Girl Low Rate GuwahatiCall Girl Lowest Price GuwahatiCall Girl Guwahati

Call Girl Mobile Number GuwahatiCall Girl Model GuwahatiCall Girl Model Town GuwahatiCall Girl Nambar GuwahatiCall Girl Namber GuwahatiCall Girl Near By GuwahatiCall Girl Near By Me GuwahatiCall Girl Near GuwahatiCall Girl Near Me Low Price GuwahatiCall Girl Near Me GuwahatiCall Girl Nearby GuwahatiCall Girl Nearly GuwahatiCall Girl Need GuwahatiCall Girl Night GuwahatiCall Girl Night Service GuwahatiCall Girl No In Justdial GuwahatiCall Girl No In GuwahatiCall Girl No GuwahatiCall Girl No. GuwahatiCall Girl Number Low Price Guwahati

Low Rate Escort Service in Guwahati

Call Girl Number GuwahatiCall Girl Numbers GuwahatiCall Girl One Night GuwahatiCall Girl One Night Price GuwahatiCall Girl Online Service GuwahatiCall Girl Ph No GuwahatiCall Girl Phone No GuwahatiCall Girl Phone Number GuwahatiCall Girl Photo GuwahatiCall Girl Photos GuwahatiCall Girl Pic GuwahatiCall Girl Pics GuwahatiCall Girl Price In IndiaCall Girl Price GuwahatiCall Girl Prices GuwahatiCall Girl Prize GuwahatiCall Girl Profile GuwahatiCall Girl Rate In IndiaCall Girl Rate List GuwahatiCall Girl Rate GuwahatiCall Girl Rates Guwahati

Call Girl Rate in Guwahati

Call Girl Sarvice GuwahatiCall Girl Service Centre GuwahatiCall Girl Service In GuwahatiCall Girl Service GuwahatiCall Girl Service Near Me GuwahatiCall Girl Service Number GuwahatiCall Girl Service Online GuwahatiCall Girl Services GuwahatiCall Girl Sex GuwahatiCall Girl Sex Price GuwahatiCall Girl Site GuwahatiCall Girl Top GuwahatiCall Girl Under 500 GuwahatiCall Girl Website GuwahatiCall Girl With Photo GuwahatiCall Girl With Price GuwahatiCall Girl With Rate GuwahatiCall Girls Agent Guwahati

Call Girls at Cheap Rate in Guwahati

Call Girls At Low Price GuwahatiCall Girls Cheap GuwahatiCall Girls Cheap Price GuwahatiCall Girls Cheap Rate GuwahatiCall Girls Contact GuwahatiCall Girls Contact No GuwahatiCall Girls Contact Number GuwahatiCall Girls Cost GuwahatiCall Girls Details GuwahatiCall Girls Escort Service GuwahatiCall Girls For One Night GuwahatiCall Girls Image GuwahatiCall Girls Images GuwahatiCall Girls In Cheap Rate GuwahatiCall Girls In IndiaCall Girls In Low Price GuwahatiCall Girls In Guwahati

Call Girls Low Budget Guwahati

Call Girls Low Cost GuwahatiCall Girls Low Price GuwahatiCall Girls Low Rate GuwahatiCall Girls GuwahatiCall Girl’S GuwahatiCall Girls Near Me GuwahatiCall Girls No GuwahatiCall Girls No. GuwahatiCall Girls Number GuwahatiCall Girls Numbers GuwahatiCall Girls Phone Numbers GuwahatiCall Girls Photo GuwahatiCall Girls Photos GuwahatiCall Girls Pic GuwahatiCall Girls Pics GuwahatiCall Girls Price GuwahatiCall Girls Prices GuwahatiCall Girls Rate GuwahatiCall Girls Rates GuwahatiCall Girls Service In Guwahati

Call Girls With Price GuwahatiCall Girls With Rate GuwahatiCall Grils GuwahatiCall.Girl GuwahatiCallgirl GuwahatiCallgirl Near Me GuwahatiCallgirl No GuwahatiCallgirl Price GuwahatiCallgirl Rate GuwahatiCallgirls GuwahatiCallgirlservice GuwahatiCheap Call Girl GuwahatiCheap Call Girl Near Me GuwahatiCheap Call Girls GuwahatiCheap Call Girls Near Me GuwahatiCheap Callgirl GuwahatiCheap Escort Service GuwahatiCheap Escorts GuwahatiCheap Girls For Sex Guwahati

Cheap Price Call Girls in Guwahati

Cheap Price Call Girls GuwahatiCheap Rate Call Girl GuwahatiCheap Rate Call Girl Near Me GuwahatiCheap Rate Call Girls GuwahatiCheap Rate Call Girls Near Me GuwahatiCheap Rate Escort Service GuwahatiCheap Rate Girls GuwahatiCheapest Call Girl GuwahatiCheapest Call Girl Near Me GuwahatiCheapest Call Girls GuwahatiCheapest Call Girls Near Me GuwahatiCheapest Escort Service GuwahatiColl Girl No GuwahatiColl Girl Number GuwahatiCost Of Call Girl GuwahatiEscort Call Girl GuwahatiEscort Call Girl Service Guwahati

Escort Girl Image Guwahati

Escort Girl Images GuwahatiEscort Girl In GuwahatiEscort Girl GuwahatiEscort Girl No GuwahatiEscort Girl Photo GuwahatiEscort Girl Pic GuwahatiEscort Girl Pics GuwahatiEscort Girl Price GuwahatiEscort Girl Rate GuwahatiEscort Girl Service GuwahatiEscort Girls GuwahatiEscort Girls Photos GuwahatiEscort Girls Price GuwahatiEscort In GuwahatiEscort GuwahatiEscort Near Me GuwahatiEscort Number GuwahatiEscort Service Call Girl GuwahatiEscort Service Contact Number Guwahati

Escort Service Girls Guwahati

Escort Service In GuwahatiEscort Service Low Price GuwahatiEscort Service GuwahatiEscort Service Near Me GuwahatiEscort Service No GuwahatiEscort Service Number GuwahatiEscort Service Photo GuwahatiEscort Service Pic GuwahatiEscort Service Price GuwahatiEscort Service Rate GuwahatiEscort Services In GuwahatiEscort Services GuwahatiEscort Services Near Me GuwahatiEscorts Agency GuwahatiEscorts Girl GuwahatiEscorts Girls GuwahatiEscorts Images Guwahati

Escorts GuwahatiEscorts Near Me GuwahatiEscorts Service In GuwahatiEscorts Service GuwahatiEscorts Services In GuwahatiEscorts Services GuwahatiFemale Escort In GuwahatiFemale Escort Service GuwahatiGirl Escort GuwahatiGirl Escort Service GuwahatiGirl Service GuwahatiGirls Escort GuwahatiGirls Escort Service GuwahatiGirls For Sex In GuwahatiGirls In GuwahatiGirls Service GuwahatiHigh Profile Call Girl GuwahatiHigh Profile Escort Service Guwahati

Home Service Call Girls in Guwahati

How To Contact Call Girl GuwahatiHow To Get A Call Girl GuwahatiHow To Get Call Girl GuwahatiI Need A Call Girl GuwahatiI Need Call Girl GuwahatiI Want A Call Girl GuwahatiI Want Call Girl GuwahatiI Want Call Girls GuwahatiIndia Call Girl GuwahatiIndia Call GirlsIndian Call GirlIndian Call Girl ImageIndian Call Girl ImagesIndian Call Girl Photo GuwahatiIndian Call Girl PhotosIndian Call Girl PicIndian Call Girl PicsIndian Call Girl PictureIndian Call Girl PriceIndian Call Girl RateIndian Call GirlsIndian Call Girls Images

Indian Call Girls PhotosIndian Call Girls PicIndian Call Girls PicsIndian Escort Pic GuwahatiIndian Escort PicsIndian Escort Service GuwahatiIndian Escorts Pics GuwahatiIndian Paid Girl Images GuwahatiIndian Top Call Girl GuwahatiLocal Call Girl GuwahatiLocal Call Girl Service GuwahatiLow Budget Call Girl GuwahatiLow Budget Call Girls GuwahatiLow Class Call Girl GuwahatiLow Cost Call Girl GuwahatiLow Cost Call Girls GuwahatiLow Price Call Girl GuwahatiLow Price Call Girl Near Me GuwahatiLow Price Call Girl Number GuwahatiLow Price Call Girls Guwahati

Low Price Escort in Guwahati

Low Price Escort Service GuwahatiLow Price Escorts GuwahatiLow Price Sex Girl GuwahatiLow Rate Call Girl GuwahatiLow Rate Call Girls GuwahatiLow Rate Escort Service GuwahatiLowest Price Call Girl GuwahatiLowest Price Call Girls GuwahatiGuwahatiCall GirlGuwahatiCall Girl Contact NumberGuwahatiCall Girl NoGuwahatiCall Girl NumberGuwahatiCall Girl ServiceGuwahatiCall GirlsGuwahatiCall Girls NumberGuwahatiEscortGuwahatiEscort GirlGuwahatiEscort GirlsGuwahatiEscort ServiceGuwahatiEscort ServicesGuwahatiEscortsGuwahatiEscorts Service

 
ลิงค์ที่เกี่ยวข้อง : https://www.girls4you.in/
Priyakr [182.68.138.xxx] เมื่อ 21/05/2022 13:35
1692
อ้างอิง

PGGAMESLOT
เครดิต ฟรี   No deposit required is something that online gambling sites. free credit slots pg There is a reward for the members of the web. free credit slots no deposit will be able to play free slots all within the web
 
PGGAMESLOT [118.173.111.xxx] เมื่อ 21/05/2022 22:49
1693
อ้างอิง

PGGAMESLOT
เกมสล็อต   Earn real money without investment 2022 new dimension of making money from online gambling games Play free fish shooting games.
 
PGGAMESLOT [118.173.111.xxx] เมื่อ 21/05/2022 22:49
1694
อ้างอิง

PGGAMESLOT
SuperSlot 888  currently has online slot games. Comes in a new format with 3D images as slots online, direct websites and leading game camps such as PG SLOT JOKER GAME, new member registration, 100% bonus and many more slots
 
PGGAMESLOT [118.173.111.xxx] เมื่อ 21/05/2022 22:50
1695
อ้างอิง

PGGAMESLOT
pg 888th   The hottest slot game camp now in 2022, including all slots, all game camps in one website, welcomes PG, a new website, free credit, no deposit required, easy to play, earn real money.
 
PGGAMESLOT [118.173.111.xxx] เมื่อ 21/05/2022 22:50
1696
อ้างอิง

PGGAMESLOT
เว็บ สล็อต   Earn real money without investment 2022 new dimension of making money from online gambling games Play free fish shooting games.
 
PGGAMESLOT [118.173.111.xxx] เมื่อ 21/05/2022 22:50
1697
อ้างอิง

PGGAMESLOT
Slotxo auto  The hottest slot game camp now in 2022, including all slots, all game camps in one website, welcomes PG, a new website, free credit, no deposit required, easy to play, earn real money.
 
PGGAMESLOT [118.173.111.xxx] เมื่อ 21/05/2022 22:51
1698
อ้างอิง

PGGAMESLOT
pg สล็อต   currently has online slot games. Comes in a new format with 3D images as slots online, direct websites and leading game camps such as PG SLOT JOKER GAME, new member registration, 100% bonus and many more slots
 
PGGAMESLOT [118.173.111.xxx] เมื่อ 21/05/2022 22:51
1699
อ้างอิง

PGGAMESLOT
สล็อต168  The latest with a game system designed for direct pg slot players because the game format is very advanced, can play pg slot auto via ios and android systems, supports playing pg slots via mobile Deposit-withdraw automatically in just 8 seconds
 
PGGAMESLOT [118.173.111.xxx] เมื่อ 21/05/2022 22:52
1700
อ้างอิง

PGGAMESLOT
pg slot เว็บตรง   currently has online slot games. Comes in a new format with 3D images as slots online, direct websites and leading game camps such as PG SLOT JOKER GAME, new member registration, 100% bonus and many more slots
 
PGGAMESLOT [118.173.111.xxx] เมื่อ 21/05/2022 22:52
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846
ความคิดเห็นของผู้เข้าชม
ชื่อผู้แสดงความคิดเห็น :
สถานะ : รหัสผ่าน :
ลิงค์ที่เกี่ยวข้อง :
รหัสความปลอดภัย :