Ma hope o ka hoʻohana ʻana o ka casing aila i kēia ʻano hana mālama wela, hiki iā ia ke hoʻomaikaʻi maikaʻi i ka paʻakikī o ka hopena, ka ikaika tensile, a me ka hana anti-destructive o ka pahu aila, e hōʻoia ana i ka waiwai maikaʻi i ka hoʻohana.ʻO ka pahu ʻaila he mea pono paipu no ka ʻeli ʻana i ka aila a me ke kinoea maoli, a pono ia e hana maikaʻi i ka hoʻohana ʻana.Koho ʻia ka mana wela ʻokoʻa no nā ʻāpana wela like ʻole o ka pahu ʻaila.Pono e hanaʻia ka hoʻomehanaʻana e like me kekahi mahana.No ke kila 27MnCrV, AC1=736℃, AC3=810℃, ʻo 630 ka mahana wela℃ma hope o ke kinai ʻana, a me ka hoʻomehana ʻana ʻO ka manawa paʻa he 50 mau minuke;koho ʻia ka mahana wela mai 740 a 810°C i ka wā e hoʻopio ana i ka haʻahaʻa wela.ʻO 780 ka mahana wela o ka hoʻopau ʻana i ka sub-temperature℃, a ʻo ka manawa paʻa o ka hoʻopau ʻana i ka wela he 15 mau minuke.No ka mea, ua hoʻomehanaʻia ka hoʻopauʻana i ka mahana wela ma kaα+γ ʻelua-phase zone, hoʻokō ʻia ka quenching ma ka mokuʻāina o ka ferrite undissolved kūloko, mālama i ka ikaika kiʻekiʻe i ka wā e loaʻa ai ka paʻakikī.hoʻomaikaʻi.

Pono e hoʻokō pono ʻia ka mālama ʻana i ka ʻaila hinu e hōʻoia i ka maikaʻi o ka huahana a me ka hana ʻana o ka pahu aila i hana ʻia, a ke hoʻohana wale ʻia hiki ke hōʻike i ka waiwai hoʻohana maikaʻi a me ka hana, pili i ka ikaika kiʻekiʻe a me ka paʻakikī, a me ka mālama wela i loko. nāʻano likeʻole.I ka manawa like, ʻoi aku ka haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa ma mua o ka mahana maʻamau, e hōʻemi ana i ke koʻikoʻi quenching a hoʻemi i ka deformation quenching.Mālama kēia i ka hana maʻemaʻe o ka hana ʻana i ka mālama ʻana i ka ʻaila casing wela a hāʻawi i nā kūlana maikaʻi no ka hana uea ma hope.mea maka.

I kēia manawa, ua hoʻohana ʻia ke kaʻina hana i nā mea kanu hoʻoheheʻe paipu kila.Hōʻike ka ʻikepili hōʻoia maikaʻi ʻo ka ikaika tensile o ka paipu kila wela ka Rm910-940MPa, ʻo ka ikaika hua Rt0.6820-860MPa he 100% kūpono, a ʻo ka paʻakikī o ka hopena Akv65-85J ʻikepili e hōʻike ana ʻO ka paipu kila 27MnCrV. kahi pahu ʻaila kiʻekiʻe kiʻekiʻe kiʻekiʻe.Ma ka ʻaoʻao ʻē aʻe, hōʻike pū ʻia ʻo ke kaʻina hana quenching sub-temperature he ala maikaʻi loa ia e pale aku ai i ka brittleness kiʻekiʻe i ka hana ʻana i nā huahana kila.