Dị ka onye nnọchianya nke carbide cimented a na-ejikarị eme ihe, tungsten cobalt cemented carbide (YG ụdị cemented carbide) na-ezo aka na alloy nke tungsten carbide mejupụtara dị ka akụkụ siri ike na cobalt dị ka akụkụ cemented, aha Bekee bụ tungsten cobalt cemented carbide, na Ihe mejupụtara aha ika ahụ bụ YG yana pasentị nke ọdịnaya cobalt dị nkenke.Aha ika ahụ nwere "YG" yana pasent nke ọdịnaya cobalt dị ka YG6, YG8 na ndị ọzọ.
N'ihe banyere ịrụ ọrụ, YG cemented carbide na-ejikọta uru nke tungsten carbide na cobalt, bụ nke a na-egosipụta na isi ike dị elu, ezigbo okpomọkụ conductivity, mmetụta siri ike dị mma, ike mgbanwe dị elu na nkwụsi ike dị mma.Otú ọ dị, e kwesịrị ịrịba ama na anụ ahụ indexes nke dị iche iche akara ule nke YG cemented carbide dị iche iche, dị ka njupụta nke YG6 bụ 14.6 ~ 15.0g / cm3, hardness 89.5HRA, flexural ike 1400MPa, mmetụta siri ike 2.6J / cm2, coercivity. 9.6 ~ 12.8KA / m, ike mkpakọ 4600MPa;Njupụta nke YG8 bụ 14.5 ~ 14.9g / cm3;Njupụta nke YG8 bụ 14.5 ~ 14.9g / cm3;na njupụta nke YG8 bụ 14.5 ~ 14.9g / cm3.YG8 nwere njupụta nke 14.5 ~ 14.9g / cm3, ike nke 89HRA, ike mgbanwe nke 1500MPa, mmetụta siri ike nke 2.5J / cm2, coercivity nke 11.2 ~ 12.8KA / m, na ike mkpakọ nke 4600MPa.N'ozuzu, na mmụba nke ọdịnaya cobalt n'ọnọdụ ụfọdụ, ike na-agbanwe agbanwe na mgbagwoju anya na ike siri ike nke alloy dị mma, ebe njupụta na ike dị ala.
Nguzogide iyi na ike nke YG ụdị cemented carbide na-abụkarị otu ụzọ na-emegiderịta onwe ya, nke a na-egosipụtakarị na ndị a: n'okpuru ọnọdụ ụfọdụ, na mmụba nke ọdịnaya cobalt ma ọ bụ mbelata nke tungsten ọdịnaya, ike nke alloy bụ. mma na iyi nguzogide bụ ogbenye;N'ụzọ megidere nke ahụ, na mmụba nke ọdịnaya tungsten ma ọ bụ mbelata nke ọdịnaya cobalt, ihe abrasive nke alloy dị mma na ike siri ike ka njọ.Iji dozie nsogbu nke esemokwu na-eyi nguzogide na ịdị ike nke YG-ụdị cemented carbide, onye nyocha nke Patent No. CN1234894C na-enye usoro mmepụta ọhụrụ, uru nke teknụzụ mmepụta a bụ: 1) N'ihi usoro na-abụghị nke uwe. WC grains, nzukọ nke cemented carbide na-mma (WC ọka adjacency na-ebelata, Co-adọ nkesa bụ ihe edo, porosity na-ebelata, na mgbape isi mmalite na-ukwuu ebelata), ya mere, eyi iguzogide na siri ike nke a alloy dị mma karịa nke. otu cobalt coarser-grained alloys;2) Iji ezigbo cobalt powders dị mma karịa iji ntụ ntụ ntụ nkịtị (2-3μm), na ike nke alloy a na-eme ka 5 ruo 10% dịkwuo elu, ebe mgbakwunye (0.3-0.6wt%) TaC na-abawanye. ike ya (HRA) site na 0.2 ruo 0.3, ya bụ, a na-akwalitekwa nguzogide iyi ya.~ 10%, na mgbe agbakwunyere (0.3-0.6wt%) TaC, ike ya (HRA) na-abawanye site na 0.2-0.3, ntụgharị ya na-eguzogide iyi ya na-abawanye.
Site n'echiche nke ụdị, dị ka ọdịnaya cobalt dị iche iche si dị, tungsten-cobalt cemented carbide nwere ike kewaa n'ime obere cobalt, ọkara-cobalt na elu-cobalt alloys;dị ka mkpụrụ osisi dị iche iche nke tungsten carbide si dị, enwere ike kewaa ya na micro-grain, fine-grand, ọkara-ọka na nnukwu ọka alloys;dị ka ojiji dị iche iche si dị, enwere ike kewaa ya n'ime ngwá ọrụ ịkpụ, ihe ndị na-egwuputa ihe na ihe ndị na-eguzogide ọgwụ.
Site n'echiche nke mmepụta usoro, usoro nkwadebe nke YG cemented carbide gụnyere tungsten carbide ntụ ntụ na cobalt ntụ ntụ site batching, mmiri egweri, ihicha, granulation, ịpị na akpụ, de-akpụ akpụ, sintering na na.Rịba ama: A na-eji ụdị abụọ dị nro na nke dị mma nke WC ntụ ntụ maka batching, nke nha nha nke ntụ ntụ WC bụ (20-30) μm, na nha nke ezigbo urughuru WC ntụ ntụ bụ (1.2-1.8) μm.
Site na ngwa ngwa, tungsten na cobalt cemented carbide nwere ike iji belata nkedo ígwè, ọla ndị na-abụghị ígwè na ihe ndị na-abụghị ọla, na mgbakwunye na mmepụta nke ngwaọrụ ihu, ịbịaru ihe ọkpụkpụ, ọkpụkpụ oyi na-atụ oyi, nozzles, mpịakọta, hama elu na ngwaọrụ ndị ọzọ na-eguzogide iyi na ngwa Ngwuputa.
Oge nzipu: Jul-21-2023