ʻO nā hui paipu hoʻopaʻa, kahi e hoʻohana ai nā ʻāpana ʻelua a ʻoi aʻe paha i ka hui ʻana o nā hui welded, a i ʻole e pili ana i ʻelua a ʻoi aku paha nā ʻāpana i hoʻopili ʻia e nā hui kuʻi, me nā welds, fusion zone a me ka wela wela.

ʻĀpana hui welded

Ma hope o ka hoʻopili ʻana i ka metala a me ka mea hoʻopihapiha hoʻoheheʻe ʻoi aku ka wikiwiki o Youyi i hoʻokumu ʻia ma hope o ka hoʻoilo a me ka paʻa.Weld mai ka hana hoʻolei ʻia o nā kristal metala wai, nā kīʻaha coarse, hoʻokaʻawale, ʻaʻole paʻa ka hui.Eia nō naʻe, ma muli o ka wai wai weld liʻiliʻi, hoʻomaʻamaʻa wikiwiki, ka mana koʻikoʻi o ka haku mele mele, carbon, sulfur, phosphorus he haʻahaʻa, akā ma ka hoʻoponopono ʻana i ke ʻano kemika o ka weld alloying, aia kekahi mau mea hoʻohuihui, no laila ka ʻAʻole pilikia nui ka hana o ka weld metala, e hoʻokō i nā koi o ka hana, ʻoi aku ka maʻalahi o ka ikaika.

ʻĀpana hui

ʻĀpana hoʻoheheʻe a me kahi ʻāpana hoʻololi ma waena o ka ʻāpana hoʻoheheʻe ʻole.ʻO ka haku mele ʻana o ka ʻāpana hui ʻana i ka ʻiʻo mānoanoa like ʻole he ʻiʻo mānoanoa paʻakikī a i ʻole ka ʻiʻo wela wela.ʻO ka hana o nā hui welded pinepine i kaʻino.ʻO ka Fusion Zone a me ka wela wela o ka overheated zone (a i ʻole quench zone) ʻo ia ka mea ʻino loa o nā waiwai mechanical o nā ʻāpana welded o nā ʻāpana nāwaliwali, e hoʻopilikia nui i ka maikaʻi o nā hui welded.

ʻāpana wela

ʻO ka microstructure weld zone wela wela a me nā waiwai i hoʻololi ʻia i ka ʻāina.Hiki ke hoʻokaʻawale ʻia ka wahi i hoʻopili ʻia i ka wela haʻahaʻa haʻahaʻa haʻahaʻa i loko o nā wahi overheated, a ʻo kahi ʻāpana o ka pae hoʻololi ʻāpana normalizing wahi.

(1) ka nui o ka wela wela wela ma luna o 1100℃, nā kīʻaha koʻikoʻi, a me ka ʻiʻo wela loa, i kapa ʻia ʻo ka ʻāina wela nui.Ua emi loa ka ductility a me ka paʻakikī, ʻo ka wahi i hoʻopili ʻia ka wela ka ʻāpana ʻino loa o nā waiwai mechanical.

(2) ʻO ka wela wela kiʻekiʻe loa mai ka hoʻonohonoho ʻana i ka wahi ʻāpana Ac3 a i 1100℃, e liʻiliʻi ka ʻai ʻana i ka ea ma hope o ka hoʻonohonoho ʻana i ka hui i kapa ʻia ʻo normalizing area.ʻOi aku ka maikaʻi o nā waiwai mechanical o ka ʻāpana maʻamau.

(3) ʻāpana o ka hoʻololi ʻana o ka pae wela wela loa i ka ʻāina mai Ac1 Ac3, ʻāpana wale nō o ka hoʻololi ʻana o ka hui, i kapa ʻia ʻo kahi ʻāpana hoʻololi.ʻAʻole maikaʻi ka hana like ʻole o kēia ʻāpana.I ka wā o ka hoʻokomo ʻana i ka welding, ʻoi aku ka pinepine o ka welding welding.ʻO ke kiʻekiʻe wela wela welded hui ʻia ʻo ia ka mea hoʻoheheʻe ʻia ma ka ʻāina a me ke kino hoʻopiha piha o ka metala i hoʻoheheʻe ʻia ʻoiai e paʻa ana i ke ʻano hoʻoheheʻe.Ma muli o ka microstructure a me nā waiwai o nā ʻāpana like ʻole o nā hui welded hiki ke hoʻokaʻawale ʻia i ʻekolu ʻāpana.