Ipa ti itọju cryogenic lori awọn ohun-ini ẹrọ ti carbide cemented

Awọn darí-ini tisimenti carbidejẹ afihan nipataki ni líle, agbara rọ, agbara titẹ, ipa lile, agbara rirẹ, ati bẹbẹ lọ.

Boya itọju cryogenic le ṣe ilọsiwaju awọn ohun-ini ẹrọ ti carbide cemented jẹ ikosile ti oye julọ ti imunadoko ti imọ-ẹrọ itọju cryogenic.Liu Yajun et al.Ti ṣe itọju cryogenic lori YW1carbide abe.Awọn esi fihan wipe lẹhin cryogenic itọju, awọn microhardness ti yi brand ticarbideawọn abẹfẹlẹ pọ lati 1764HV si 2263.7HV, ati lile Rockwell pọ lati 90HRA si 92HRA.Jiang et al.gbe YG8 cemented carbide ni agbegbe iwọn otutu kekere ti 77K fun itọju cryogenic ati rii pe líle ati agbara titẹ pọsi nipasẹ 4.9% ati 10.1% lẹsẹsẹ.

Chen Zhenhua et al.tun gba iru esi lẹhin cryogenic itọju ti kanna ite tisimenti carbide.Zhang Pingping gbe YG6X ti o dara-grained carbide cemented ti o dara ni apoti cryogenic fun itọju cryogenic ati pe o ri pe agbara atunse rẹ ati ipa agbara ti o pọ sii nipasẹ 7.6% ati 10.8% lẹsẹsẹ.Chen Hongwei tutu-tutuYG15 simenti carbideati lẹhinna rì sinu omi nitrogen fun itọju cryogenic.Awọn esi fihan wipe akawe pẹlu ṣaaju ki o to cryogenic itọju, awọn atunse agbara tiYG15 simenti carbideyipada si 5.19%.Ni afikun, awọn ijabọ tun wa nipa itọju cryogenic imudarasi awọn ohun-ini ẹrọ bii ipa lile ati agbara rirẹ tisimenti carbide.Ni lọwọlọwọ, iwadii awọn onimọ-jinlẹ inu ati ajeji lori awọn ohun-ini ẹrọ ti carbide cemented lẹhin itọju cryogenic ni akọkọ fojusi awọn abala meji: lile (pẹlu lile lile Rockwell ati lile Vickers) ati agbara rọ.Iwọn iyatọ ninu iṣẹ ni ipa nla.Awọn eeya 1 ati 2 ṣe akopọ awọn iyipada ninu líle ati agbara rọ ti WC-Co cemented carbide pẹlu akoonu Co lẹhin itọju cryogenic, ati awọn ilana iyipada agbara wọn jẹ ijiroro.