ʻO nā mea hoʻolei ʻia ʻo Duplex Stainless Steel

Duplex Stainless Steel(DSS) e pili ana i kahi hui o ke kila kila me ka microstructure metallographic o ka ferrite a me ka austenite i kēlā me kēia helu no kahi o 50%. ʻO ka maʻamau, ʻo ka maʻiʻo o nā ʻāpana liʻiliʻi e pono ma kahi o 30%. I ka hihia o ka haʻahaʻa kalapona maʻiʻo, ka Cr maʻiʻo mea 18% a 28%, a me ka Ni maʻiʻo mea 3% a 10%. Loaʻa i kekahi mau mea kila kila duplex e like me Mo, Cu, Nb, Ti, a me N. Loaʻa i ka DSS nā ʻano o ka austenitic a me ka ferritic stainless steel. Hoʻohālikelike ʻia me ka ferrite, ʻoi aku ka kiʻekiʻe o ka plasticity a me ka ductility, ʻaʻohe lumi wela brittleness, a me ka hoʻomaikaʻi maikaʻi ʻana i ke kūpaʻa intergranular corrosion a me ka hana kuʻi ʻana, ʻoiai e mālama mau ana i ka brittleness, kiʻekiʻe thermal conductivity, a me ka superplasticity e like me ferrite stainless steel. Hoʻohālikelike ʻia meaustenitic stainless steel, He ikaika kiʻekiʻe ka DSS a hoʻomaikaʻi maikaʻi loa i ke kū'ē i ka corrosion intergranular a me ka corrosion stress chloride. He kila kila maikaʻi loa ka Duplex stainless steel. Loaʻa nā māka o duplex stainless steel i hoʻolei ʻia e ka hoʻolei ʻana i ka wax i nalowale: 1.4460, 1.4462, 1.4468, 1.4469, 1.4517, 1.4770, A 890 1C, A 890 1A, A 890 3A, A 890 3A, A 890, A 90, A 90 1B, A 995 4A, A 995 5A, 2205, 2507, 022Cr22Ni5Mo3N, 022Cr25Ni6Mo2N