Corrosion and Mechanical Properties of Novel Fe-Based Bulk Amorphous Alloys

被引：1

作者：

Li, Chunyan ^{[1
,2
]}

Wang, Haibo ^{[1
]}

Li, Jinling ^{[1
]}

Wang, Shunping ^{[1
]}

Deng, Zeli ^{[1
]}

Kou, Shengzhong ^{[1
,2
]}

机构：

[1] Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou, Gansu, Peoples R China

[2] Lanzhou Univ Technol, Wenzhou Engn Inst Pump & Valve, Wenzhou, Zhejiang, Peoples R China

来源：

JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2023年 / 32卷 / 09期

基金：

中国国家自然科学基金; 浙江省自然科学基金;

关键词：

corrosion resistance; Fe-based bulk amorphous alloys; mechanical properties; structure; METALLIC GLASSES; RESISTANCE; STRENGTH; BEHAVIOR; STEEL;

D O I：

10.1007/s11665-022-07371-6

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Fe70-xNixSi7.5B17.5Nb5(x = 0, 5, 10, 15, 20, 25 at.%), (Fe50Ni20)(70-y)CrySi7.5B17.5Nb5(y = 3, 6, 9, 12 at.%) and (Fe50Ni20)(61)Cr9CozSi7.5-zB17.5Nb5(z = 2, 4, 6 at.%) alloys were fabricated by the copper mold suction casting method. Structure, corrosion resistance and mechanical properties of the alloys were investigated. The results show that the bulk amorphous alloy with the Co content of 6 at.% has the highest compressive plastic strain (epsilon(p) = 1.2%) and ultimate compressive strength (sigma(max) = 4110 MPa) and shows the best corrosion resistance with the low corrosion current density (I-corr = 1.149 x 10(-8) A cm(-2)) in artificial seawater solution compared to the other alloys. This study will provide a new approach for the design of corrosion-resistant Fe-based bulk amorphous alloys with excellent mechanical properties.

引用

页码：3974 / 3979

页数：6

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