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Hana ʻia:
ʻO ka mea i kapa ʻia ʻo duplex stainless steel i loko o kāna hopena paʻa o ka pae ferrite a me ka austenite e hui i kēlā me kēia hapalua, ʻoi aku ka liʻiliʻi o ka ʻike e pono ai a hiki i 30%.I ka hihia o ka haʻahaʻa C, Cr maʻiʻo o 18% a 28%, Ni maʻiʻo o 3% a 10%.Aia kekahi mau kila i ka Mo, Cu, Nb, Ti, N a me nā mea hoʻohuihui ʻē aʻe.
Nā pono.
ʻO ke kila nā hiʻohiʻona o ka austenitic a me ka ferritic stainless steel,
1. ka hoʻohālikelike ʻana me ka ferrite, plasticity, kiʻekiʻe toughness, ʻaʻohe lumi wela brittleness, kū'ē i ka intergranular corrosion a me ka hana kuʻi ʻana ua hoʻomaikaʻi nui ʻia, ʻoiai hoʻi i ka ining iron Qualified stainless steel 475 ℃ brittleness a kiʻekiʻe thermal conductivity, me ka superplasticity a pēlā aku.
2. ʻO ka hoʻohālikelike ʻana me ka austenitic stainless steel, ikaika kiʻekiʻe a me ke kū'ē i ka intergranular corrosion a me ke kū'ē ʻana i ka chloride stress corrosion ua hoʻomaikaʻi nui ʻia.
3. He kū'ē maika'i loa ka Duplex stainless steel i ka pitting corrosion resistance, akā, he ʻāpana o ka nickel stainless steel.
Ka manawa hoʻouna: Mar-12-2018