High temperature oxidation behavior of MoCoB metallic glass

被引：6

作者：

Zhou, Junhu ^{[1
]}

Chen, Fengchun ^{[1
]}

Lai, Limin ^{[1
]}

Su, Chen ^{[1
]}

Zhang, Hongju ^{[2
]}

Guo, Shengfeng ^{[1
,3
]}

机构：

[1] Southwest Univ, Sch Mat & Energy, Chongqing 400715, Peoples R China

[2] Southwest Univ, Analyt & Testing Ctr, Chongqing 400715, Peoples R China

[3] Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China

来源：

MATERIALS CHARACTERIZATION | 2024年 / 211卷

基金：

中国国家自然科学基金;

关键词：

MoCoB metallic glass; High-temperature oxidation; Oxidation kinetics; Oxidation mechanism; BULK AMORPHOUS ALLOY; SI-B ALLOYS; AIR-OXIDATION; CORROSION BEHAVIOR; FORMING ABILITY; MO; ZR; SYSTEM;

D O I：

10.1016/j.matchar.2024.113858

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The oxidation behavior of a Mo 51 Co 34 B 15 metallic glass was investigated at 873-973 K in dry air. The oxidation kinetics generally followed a parabolic-rate law, which indicated the rate-controlling step in the oxidation process is diffusion, and the parabolic-rate constants increased with increasing temperature, showing the oxidation rate is closely related to temperature. The thinner oxide layer was mainly composed of CoMoO4, 4 , MoO3, 3 , CoO, B2O3, 2 O 3 , and MoB, while the CoMoO4 4 and B2O3 2 O 3 oxides resulted in a lower oxidation rate, and the presence of MoB also suggested that small amounts of crystallization were taking place beneath the inner layer.

引用

页数：14

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