Mmetụta ọgwụgwọ cryogenic na akụrụngwa nke carbide cimented

The n'ibu Njirimara nkecemented carbidena-egosipụta nke ọma na isi ike, ike mgbanwe, ike mkpakọ, mmetụta siri ike, ike ike ọgwụgwụ, wdg.

Ma ọgwụgwọ cryogenic nwere ike imeziwanye akụrụngwa nke cemented carbide bụ ngosipụta kachasị emetụ n'ahụ nke ịdị irè nke teknụzụ ọgwụgwọ cryogenic.Liu Yajun et al.Emere ọgwụgwọ cryogenic na YW1agụba carbide.Nsonaazụ gosiri na mgbe ọgwụgwọ cryogenic gasịrị, microhardness nke ika acarbideagụba mụbara site na 1764HV ruo 2263.7HV, na ike ike Rockwell mụbara site na 90HRA ruo 92HRA.Jiang et al.etinye YG8 cemented carbide na ọnọdụ okpomọkụ dị ala nke 77K maka ọgwụgwọ cryogenic wee chọpụta na ike ya na ike mkpakọ mụbara site na 4.9% na 10.1% n'otu n'otu.

Chen Zhenhua et al.nwetakwara nsonaazụ yiri ya mgbe ọgwụgwọ cryogenic nke otu ọkwa nkecemented carbide.Zhang Pingping tinyere YG6X mma-grained carbide cemented na igbe cryogenic maka ọgwụgwọ cryogenic wee chọpụta na ike na-ehulata na ike mmanye mụbara site na 7.6% na 10.8% n'otu n'otu.Chen Hongwei ajụọla oyiYG15 cemented carbidewee mikpuo ya na mmiri mmiri nitrogen maka ọgwụgwọ cryogenic.Nsonaazụ gosiri na tụnyere tupu ọgwụgwọ cryogenic, ekwe ike nkeYG15 cemented carbidegbanwere +5.19%.Na mgbakwunye, enwerekwa akụkọ gbasara ọgwụgwọ cryogenic na-emezi ihe akụrụngwa dị ka mmetụta siri ike na ike ike ọgwụgwụ nkecemented carbide.Ka ọ dị ugbu a, nyocha nke ndị ọkà mmụta ụlọ na ndị mba ọzọ banyere akụrụngwa nke cemented carbide mgbe ọgwụgwọ cryogenic gasịrị na-elekwasị anya n'akụkụ abụọ: isi ike (gụnyere hardness Rockwell na hardness Vickers) na ike mgbanwe.Ogo nke mgbanwe dị na arụmọrụ nwere nnukwu mmetụta.Ọnụọgụ 1 na 2 na-achịkọta mgbanwe nke ike na ike mgbanwe nke WC-Co cemented carbide na ọdịnaya Co mgbe ọgwụgwọ cryogenic gasịrị, a na-atụlekwa usoro mgbanwe ha nwere ike ịgbanwe.