An effective way to solve the abnormal oxidation behavior of Fe in Ti(C,N)-304ss cermet

被引：16

作者：

He Lin ^{[1
,2
]}

Gao Yimin ^{[1
]}

Li Yefei ^{[1
]}

Liu Zhiwei ^{[1
]}

Zhai Wenyan ^{[3
]}

Yuan Wei ^{[1
]}

Chen Wenqing ^{[1
]}

Yan, Wentao ^{[2
]}

机构：

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

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

[3] Xian Shiyou Univ, Coll Mat Sci & Engn, Xian 710065, Shaanxi, Peoples R China

来源：

CORROSION SCIENCE | 2019年 / 155卷

关键词：

Cermet; Oxidation; Composite; Ti(C; N); HIGH-TEMPERATURE OXIDATION; RECIPROCATING WEAR BEHAVIOR; TI(C; N)-BASED CERMETS; CORROSION BEHAVIOR; CARBIDE; TIB2; HARD;

D O I：

10.1016/j.corsci.2019.04.033

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

WC and TiB2 were added into Ti(C,N)-304ss cermet to relieve an abnormal oxidation behavior of Fe in this cermet. During high-temperature oxidation (650 degrees C), the volume swelling of WO3 eliminated the gap led by the volume shrinkage of TiO2. Liquid B2O3 covered the oxidation surface or filled in cracks, forming a dense oxidation layer. As a result, the abnormal oxidation behavior was relieved. The oxidation mechanism was investigated using FESEM, XRD, LSCM, and AFM. Fe atoms outward diffused to the surface along with the TiO2/304ss boundary forming ring-structure oxide and across the TiO(2)( )generating aggregated oxide on TiO2 surface.

引用

页码：164 / 172

页数：9

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