Effect of TiB2/WC addition on the oxidation behavior of Ti(C,N)-304ss cermets during the early oxidation stage

被引：16

作者：

He, Lin ^{[1
,2
]}

Gao, Yimin ^{[1
]}

Li, Yefei ^{[1
]}

Liu, Zhiwei ^{[1
]}

Yuan, Wei ^{[1
]}

Chen, Wenqing ^{[1
]}

Zhao, Siyong ^{[3
]}

Liu, Honggang ^{[4
]}

Yan, Wentao ^{[2
]}

机构：

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

[2] Natl Univ Singapore, Dept Mech Engn, Singapore 117575, Singapore

[3] Guangxi Great Wall Machineries, Hezhou 542699, Peoples R China

[4] Datong Shengye Sci & Technol Co Ltd, Xian 710061, Shaanxi, Peoples R China

来源：

CORROSION SCIENCE | 2019年 / 159卷

关键词：

Oxidation; Cermet; Ti(C; N); Composites; Diffusion; HIGH-TEMPERATURE OXIDATION; SITU SYNTHESIZED TIB2; MECHANICAL-PROPERTIES; WC-CO; TI(C; N)-BASED CERMETS; STRENGTH DEGRADATION; RECIPROCATING WEAR; MICROSTRUCTURE; RESISTANCE; FE;

D O I：

10.1016/j.corsci.2019.108118

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this work, Ti(C,N)-304ss cermets with TiB2/WC were fabricated by powder metallurgy technique and their oxidation behavior were studied. With TiB2/WC addition, the outward diffusion of Fe through TiO2 was relieved and the oxidation resistance was improved. As metallic atoms were doped into the rim of Ti(C,N), its initial oxidation temperature was declined. Besides, a mixed oxidation model was proposed to describe the oxidation behavior of composites. Holes in TiO2 were eliminated due to the TiB2/WC addition and the diffusion-control oxidation process was the main oxidation mechanism.

引用

页数：12

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