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E pili ana iā mākou
Nā huahana
Kāhea iā mā˚ou
Kelepona
leka uila
ʻO nā hale kila he kumu kūʻai nui loa a me ka hoʻoponoponoʻana i nāʻoihana i nāʻoihana a pau.
1、Kemeka haku mele
2、Ka hopena o nā hemahema metala
ʻO nā drawbacks metallurgical maʻamau e pili ana i ka hoʻokaʻawale ʻana, non-metallic admixture, porosity, māwae, delamination, a me nā mea ʻē aʻe.
3、Ka hao paakiki
ʻO ke kaha kiʻi anuanu, ke kuʻi anu, ka kuʻi, ka ʻili mechanical a me nā hana anu ʻē aʻe i hiki ai i ke kila ke hoʻololi nui i ka palaka, a laila hoʻomaikaʻi i ka helu o ke kila, me ka emi ʻana o ka plasticity a me ke kūpaʻa ʻana o ke kila, ʻike ʻia kēia ʻano. paʻakikī anu a i ʻole ka paʻakikī paʻakikī.
4, hopena wela
Pili pono ke kila i ka wela, a me ka pi'i a me ka emi ana o ka wela ke kumu e loli ai ka hana kila. I ka hoʻohālikelike, ʻoi aku ka nui o ka hana haʻahaʻa haʻahaʻa o ke kila.
I ka pālākiō wela maikaʻi, ʻo ke ʻano maʻamau e hahai i ka piʻi ʻana o ka mahana, emi ka ikaika kila, piʻi ka deformation. Ma kahi o 200 ℃ i loko o ka hana kila ʻaʻole e loli nui, 430 ~ 540 ℃ ma waena o ka ikaika (ikaika a me ka ikaika tensile) kahi emi nui; a hiki i 600 ℃ ke haʻahaʻa loa ka ikaika ʻaʻole hiki ke halihali i ka ukana.
Eia hou, 250 ℃ kokoke i ka uliuli brittle phenomena, ma kahi o 260 ~ 320 ℃ ke loaʻa kahi mea kolo.
Kuleana kope © 2024 Qingdao Eihe Steel Structure Group Co., Ltd. Mālama ʻia nā kuleana āpau.
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