High-Temperature Heat Treatment of Plasma Sprayed Ti–Si–C–Mo Coatings

Author:

He Jining1ORCID,Liu Jialin1,Zhao Hongjian1,Qin Yanfang2,Fan Jiawei1

Affiliation:

1. Tianjin Key Laboratory of Materials Laminating Fabrication and Interface Control Technology, School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300132, China

2. College of Mechanical Engineering, Suzhou University of Science and Technology, Suzhou 215000, China

Abstract

In this work, the effect of 800 °C and 1100 °C post-heat treatment on the plasma spraying of Ti–Si–C–xMo (x = 1.0, 1.5) composite coatings was investigated. The composite coatings were composed of TiC, Ti3SiC2, Ti5Si3 and Mo5Si3 reacted phases. After heat treatment, the Ti3SiC2 and Mo5Si3 phases increased. The coating microhardness decreased by 16% and 18% for Ti–Si–C–1.0Mo and Ti–Si–C–1.5Mo coatings, respectively, after heat treatment at 1100 °C. Fracture toughness increased by 16% for the Ti–Si–C–1.5Mo coating after heat treatment at 1100 °C, which was mainly due to the heat treatment promoting Ti3SiC2 formation, healing micro-cracks, reducing the internal stress and making the microstructure dense. The coating friction coefficient before and after heat -treatment was between 0.4 and 0.6. After heat treatment, the wear amount of the coating was first reduced and then increased, and the minimum wear loss occurred after heat treatment at 800 °C. The wear mechanism was mixed abrasive wear, adhesive wear and tribo-oxidation wear.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Hebei Province

Publisher

MDPI AG

Reference32 articles.

1. High temperature friction and galling properties of nanolayered (Cr,V)N coatings and effect of V content;Podgornik;Surf. Coat. Technol.,2023

2. Composite ceramics thermal barrier coatings of yttria stabilized zirconia for aero-engines;Liu;J. Mater. Sci. Technol.,2019

3. Tribological behavior and mechanical properties of thermal sprayed TiO2–ZnO and TiOx ceramic coatings;Shi;Ceram. Int.,2023

4. Cutting properties of the Al2O3+SiC(w) based tool ceramic reinforced with the PVD and CVD wear resistant coatings;Madejski;J. Mater. Process. Technol.,2005

5. Investigation of the oxidation of plasma sprayed silicon coating;Zhang;Mater. Chem. Phys.,2022

同舟云学术

1.学者识别学者识别

2.学术分析学术分析

3.人才评估人才评估

"同舟云学术"是以全球学者为主线,采集、加工和组织学术论文而形成的新型学术文献查询和分析系统,可以对全球学者进行文献检索和人才价值评估。用户可以通过关注某些学科领域的顶尖人物而持续追踪该领域的学科进展和研究前沿。经过近期的数据扩容,当前同舟云学术共收录了国内外主流学术期刊6万余种,收集的期刊论文及会议论文总量共计约1.5亿篇,并以每天添加12000余篇中外论文的速度递增。我们也可以为用户提供个性化、定制化的学者数据。欢迎来电咨询!咨询电话:010-8811{复制后删除}0370

www.globalauthorid.com

TOP

Copyright © 2019-2024 北京同舟云网络信息技术有限公司
京公网安备11010802033243号  京ICP备18003416号-3