1. Metallography
ʻO ka metallography kekahi o nā ʻano hana nui no ka hoʻokaʻawale ʻana i nā paipu kila i hoʻopili ʻia mainā paipu kila humuhumu ʻoleʻAʻole hoʻohui nā paipu kila i hoʻopaʻa ʻia me ke alapine kiʻekiʻe i nā mea hoʻopaʻa, no laila he haiki loa ke kuʻi kuʻi i loko o ka paipu kila i hoʻopaʻa ʻia. Inā hoʻohana ʻia ke ʻano o ka wili ʻino a laila ka pala, ʻaʻole hiki ke ʻike maopopo ʻia ke kuʻi kuʻi. Ke hoʻopaʻa ʻia ka paipu kila i hoʻopaʻa ʻia me ke alapine kiʻekiʻe a ʻaʻole i hana ʻia ka mālama wela, e ʻokoʻa loa ke ʻano o ka hoʻopaʻa ʻana mai ka mea makua o ka paipu kila. I kēia manawa, hiki ke hoʻohana ʻia ke ʻano metallographic e hoʻokaʻawale i nā paipu kila i hoʻopaʻa ʻia mai nā paipu kila seamless. I ke kaʻina hana o ka hoʻokaʻawale ʻana i nā paipu kila ʻelua, pono e ʻoki i kahi laʻana liʻiliʻi me ka lōʻihi a me ka laulā o 40mm ma ke kiko kuʻi, hana i ka wili ʻino, wili maikaʻi a me ka poli ʻana, a laila e nānā i ke ʻano ma lalo o kahi microscope metallographic. Ke ʻike ʻia ka ferrite a me ka widmanstatten, ka mea makua a me ke ʻano o ka ʻāpana kuʻi, hiki ke hoʻokaʻawale pololei ʻia ka paipu kila i hoʻopaʻa ʻia a me ka paipu kila seamless.
2. Ke ʻano hana ʻino
I ke kaʻina hana o ka hoʻohana ʻana i ke ʻano pala e hoʻokaʻawale i nā paipu kila i hoʻopaʻa ʻia a me nā paipu kila humuhumu ʻole, pono e hoʻopili ʻia ka wili o ka paipu kila i hoʻopaʻa ʻia. Ma hope o ka pau ʻana o ka hoʻopili ʻana, pono e ʻike ʻia nā māka hoʻopili. A laila, hoʻopili ʻia ka ʻaoʻao hope me ka pepa one ma ka wili, a mālama ʻia ka ʻaoʻao hope me ka hopena waiʻona nitric 5%. Inā ʻike ʻia kahi wili maopopo, hiki ke hōʻoia ʻia he paipu kila i hoʻopili ʻia ka paipu kila. ʻAʻohe ʻokoʻa maopopo ma ka ʻaoʻao hope o ka paipu kila humuhumu ma hope o ka pala.
3. E hoʻokaʻawale i nā paipu kila i hoʻopaʻa ʻia a me nā paipu kila humuhumu e like me ke kaʻina hana
Ma ke kaʻina hana o ka hoʻokaʻawale ʻananā paipu kila i hoʻopaʻa ʻiaa me nā paipu kila humuhumu e like me ke kaʻina hana, ua humuhumu ʻia nā paipu kila wili ʻia e like me nā kaʻina hana e like me ka ʻōwili anu a me ka extrusion. Eia kekahi, i ka wā e hoʻohana ʻia ai nā paipu wili arc alapine kiʻekiʻe, alapine haʻahaʻa a me nā paipu wili kū'ē e humuhumu i nā paipu kila, e hoʻokumu ʻia ka wili paipu wili a me ka wili paipu humuhumu pololei, kahi e hana ai i nā paipu kila poepoe, nā paipu kila huinaha, nā paipu kila oval, nā paipu kila triangular, nā paipu kila hexagonal, nā paipu kila wilted, nā paipu kila octagonal, a me nā paipu kila paʻakikī. I ka pōkole, e hana nā kaʻina hana like ʻole i nā paipu kila o nā ʻano like ʻole, i hiki ke hoʻokaʻawale maopopo ʻia nā paipu kila humuhumu a me nā paipu kila humuhumu. Eia nō naʻe, i ke kaʻina hana o ka hoʻokaʻawale ʻana i nā paipu kila humuhumu e like me ke kaʻina hana, ua hoʻokaʻawale nui ʻia lākou e like me nā ʻano hana wili wela a me ka ʻōwili anu, a he ʻelua mau ʻano nui o nā paipu kila humuhumu, ʻo ia hoʻi nā paipu kila humuhumu wela a me nā paipu kila humuhumu anu. Hoʻokumu ʻia nā paipu kila humuhumu wela e ka perforation, rolling a me nā kaʻina hana ʻē aʻe, ʻoiai nā paipu kila humuhumu nui a me ka mānoanoa i humuhumu ʻia e kēia kaʻina hana; Hoʻokumu ʻia nā paipu huki anu e ke huki anu ʻana o nā paipu, a ʻoi aku ka haʻahaʻa o ka ikaika o ka mea, akā he laumania kona ʻili waho a me loko.
Ka manawa hoʻouna: Mei-17-2024