Kedu ihe bụ ntụ ntụ Tungsten Carbide
Kedu ihe bụ ntụ ntụ Tungsten Carbide
Nkedo tungsten carbide ntụ ntụ nwere WC na W2C eutectic Ọdịdị nke na-egosipụta ọdịdị isi awọ gbara ọchịchịrị. A na-emepụta ntụ ntụ tungsten carbide ntụ ntụ site na usoro dị elu: tungsten metal na tungsten carbide powders na-agwakọta ma tinye ya n'ime ụgbọ mmiri graphite. Ọnụ, a na-ekpokọta ha n'ọkụ na-agbaze na 2900 Celsius ma jide ya ruo oge ụfọdụ iji nweta ngọngọ nkedo nke nwere usoro WC na W2C eutectic nke nwere oke ọka nke 1 ~ 3 μm.
Ọ na-egosipụta ike dị egwu na nguzogide mmetụta, yana ihe siri ike dị elu, na oke okpomọkụ. The nha nke tungsten carbide urughuru nso si 0.038 mm ka 2.362 mm. Isi ike: 93.0 ~ 93.7 HRA; Micro-ike siri ike: 2500 ~ 3000 kg / mm2; njupụta: 16.5 g/cm3; ebe mgbaze: 2525°C.
Ịrụ ọrụ anụ ahụ nke nkedo tungsten carbide ntụ ntụ
Molar Mass: 195.86 g/mo
Njupụta: 16-17 g/cm3
Ebe mgbaze: 2700-2880°C
Ebe esi mmiri: 6000°C
Isi ike: 93-93.7 HRA
Modul nke ntorobịa: 668-714 GPA
Oke Poisson: 0.24
Ngwa nke ihe nkedo tungsten carbide grits
1. Yiri elu (eyi na-eguzogide) akụkụ na mkpuchi. Akụkụ na mkpuchi nke na-enwe nkụda mmụọ, abrasion, cavitation, na mbuze dị ka ngwa ịkpụ, ngwa egweri, ngwa ọrụ ugbo, na mkpuchi ihu siri ike.
2. Ihe Nrụ Ọrụ Diamond. A na-eji ntụ ntụ nke tungsten carbide dị njikere ịbanye ma ọ bụ na-ekpo ọkụ dị ka matrix ntụ ntụ iji jide ma kwado ngwá ọrụ ịkpụ diamond. Ihe njide na-enye ohere ikpughe diamond kacha mma achọrọ maka ịrụ ọrụ akụrụngwa nke ọma.
Ụzọ mmepụta nke nkedo tungsten carbide ntụ ntụ
1. Usoro ịgbasa okpomọkụ. Ihe nkedo tungsten carbide girts nwere ike ịgbasa ọkụ ka ọ bụrụ ihe mkpuchi ihu siri ike n'elu ebe chọrọ nkwụsi ike iyi.
2. Ntinyebanye. A na-eji igwe mmiri abanye n'ime ihe nkedo tungsten carbide, metal tungsten na-enweghị isi, ma ọ bụ tungsten carbide ntụ ntụ na-eji igwe mmiri abanye (dịka alloy dabere na ọla kọpa, ọla kọpa) iji mepụta akụkụ ahụ. Ihe nkedo anyị tungsten carbide powders nwere ikike infiltration pụtara ìhè ma na-eyi àgwà na-enye ndị ahịa anyị ohere ịhazi usoro asọmpi maka ndụ ọrụ na-abawanye na ime mgbanwe.
3. Powder Metallurgical (P/M). A na-apịa ntụ ntụ tungsten carbide n'ime akụkụ site na ịpị ọkụ na ịgbanye.
4. Plasma Nyefee Arc (PTA) Welding. N'ihi ọmarịcha weldability nke nkedo tungsten carbide ntụ ntụ, a na-etinyekarị ya na ihe site na usoro ịgbado ọkụ PTA.
5. Mkpuchi mkpuchi. Mkpuchi dị ka nke a na-ahụ na electrodes, ngwá ọrụ mkpọ ala, na akụkụ ndị metụtara nhazi mgbasa ozi abrasive bụ nke a na-etinye na nkedo tungsten carbide na-enye njedebe elu na ike siri ike ma na-eyi nguzogide.