Kedu ihe bụ mgbape weld?Ọ bụ ntụpọ jọgburu onwe ya na weldments.N'okpuru ọrụ nkwonkwo nke nrụgide ịgbado ọkụ na ihe ndị ọzọ na-agbaji agbagọ, a na-ebibi ike njikọ nke atom metal na mpaghara mpaghara nke nkwonkwo welded ma mepụta interface ọhụrụ.Na teknụzụ ịgbado ọkụ, anyị kwesịrị izere ịgbado ọkụ.
Ihe mgbawa na-ekpo ọkụ nke mgbawa ịgbado ọkụ:
A na-emepụta mgbawa ọkụ na-ekpo ọkụ n'okpuru okpomọkụ dị elu, site na okpomọkụ siri ike na okpomọkụ dị n'elu A3, n'ihi ya, a na-akpọ ha ọkụ ọkụ, nke a na-akpọkwa okpomọkụ dị elu.Kedu ka esi egbochi mgbawa ọkụ?Dị ka ọgbọ nke mgbawa ọkụ na-ejikọta ya na ihe ndị na-akpata nchekasị, ụzọ mgbochi ahụ kwesịkwara ịmalite site na akụkụ abụọ nke nhọrọ ihe na usoro ịgbado ọkụ.
Oyi mgbawa nke ịgbado ọkụ:
A na-emepụta mgbawa oyi n'oge ma ọ bụ mgbe ịgbado ọkụ, na obere okpomọkụ, gburugburu martensite mgbanwe okpomọkụ (ie, Ms point) nke ígwè, ma ọ bụ na okpomọkụ nso n'okpuru 300 ~ 200 ℃ (ma ọ bụ T 0.5Tm, Tm bụ agbaze ebe okpomọkụ). egosipụtara na okpomọkụ zuru oke), ya mere a na-akpọ ha mgbawa oyi.
Mee ka mgbawa mgbawa ọkụ dị ọkụ:
Mgbawa ọkụ na-ekpo ọkụ na-ezo aka na nkwonkwo welded nke ụfọdụ nchara siri ike dị ala na nchara na-eguzogide okpomọkụ nwere vanadium, chromium, molybdenum, boron na ihe ndị ọzọ alloy.N'oge usoro ikpo ọkụ (dị ka mgbaka mgbakasị ahụ, multi-layer na multipass welding, na ọrụ okpomọkụ dị elu), mgbawa nke na-eme na mpaghara ọka na-adịghị ahụkebe nke mpaghara okpomọkụ emetụtara na mgbawa n'akụkụ ókèala ọka austenite mbụ ka a na-akpọkwa nrụgide. ihe mgbawa na-egbu mgbu (SR cracks).
Enwere ọtụtụ ihe kpatara mgbawa ịgbado ọkụ, mana n'agbanyeghị ihe kpatara ya, ọ bụrụhaala na a na-amata ụzọ mgbochi, enwere ike belata ihe ọghọm nke mgbawa n'oge ịgbado ọkụ.
Oge nzipu: Sep-20-2022