Development of Mo(Si,Al)2-MoB composite coatings to protect TZM alloy against oxidation at 1400 °C

Ping Zhang; Xiping Guo; Xuanru Ren; Zheng Chen; Chengjin Shen

doi:10.1016/j.intermet.2017.12.002

Development of Mo(Si,Al)₂-MoB composite coatings to protect TZM alloy against oxidation at 1400 °C

Ping Zhang
, Xiping Guo
, Xuanru Ren
, Zheng Chen
, Chengjin Shen

School of Materials Sience and Engineering

Research output: Contribution to journal › Article › peer-review

26 Scopus citations

Abstract

Mo(Si,Al)₂-MoB composite coatings were deposited on TZM alloy by a single-step pack cementation process. The microstructure development of the coatings and the influence of deposition temperature on the coating structure are investigated. The coatings form via a sequence manner of first Al depositing and then Al-Si-B or Si-B co-depositing, while increasing the deposition temperature will move Al-Si-B or Si-B co-depositing ahead during the process. The coatings prepared at 1250 °C for more than 4 h consist of thick Mo(Si,Al)₂ outer layer with dispersed MoB particles and thin MoB inner layer. The oxidation-resistant performance and degradation mechanism for the coatings during oxidation at 1400 °C are discussed.

Original language	English
Pages (from-to)	134-140
Number of pages	7
Journal	Intermetallics
Volume	93
DOIs	https://doi.org/10.1016/j.intermet.2017.12.002
State	Published - Feb 2018

Keywords

Microstructure development
Mo base alloy
Mo(Si,Al)-MoB composite coating
Oxidation resistance

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10.1016/j.intermet.2017.12.002

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title = "Development of Mo(Si,Al)2-MoB composite coatings to protect TZM alloy against oxidation at 1400 °C",

abstract = "Mo(Si,Al)2-MoB composite coatings were deposited on TZM alloy by a single-step pack cementation process. The microstructure development of the coatings and the influence of deposition temperature on the coating structure are investigated. The coatings form via a sequence manner of first Al depositing and then Al-Si-B or Si-B co-depositing, while increasing the deposition temperature will move Al-Si-B or Si-B co-depositing ahead during the process. The coatings prepared at 1250 °C for more than 4 h consist of thick Mo(Si,Al)2 outer layer with dispersed MoB particles and thin MoB inner layer. The oxidation-resistant performance and degradation mechanism for the coatings during oxidation at 1400 °C are discussed.",

keywords = "Microstructure development, Mo base alloy, Mo(Si,Al)-MoB composite coating, Oxidation resistance",

author = "Ping Zhang and Xiping Guo and Xuanru Ren and Zheng Chen and Chengjin Shen",

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year = "2018",

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doi = "10.1016/j.intermet.2017.12.002",

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T1 - Development of Mo(Si,Al)2-MoB composite coatings to protect TZM alloy against oxidation at 1400 °C

AU - Zhang, Ping

AU - Guo, Xiping

AU - Ren, Xuanru

AU - Chen, Zheng

AU - Shen, Chengjin

PY - 2018/2

Y1 - 2018/2

N2 - Mo(Si,Al)2-MoB composite coatings were deposited on TZM alloy by a single-step pack cementation process. The microstructure development of the coatings and the influence of deposition temperature on the coating structure are investigated. The coatings form via a sequence manner of first Al depositing and then Al-Si-B or Si-B co-depositing, while increasing the deposition temperature will move Al-Si-B or Si-B co-depositing ahead during the process. The coatings prepared at 1250 °C for more than 4 h consist of thick Mo(Si,Al)2 outer layer with dispersed MoB particles and thin MoB inner layer. The oxidation-resistant performance and degradation mechanism for the coatings during oxidation at 1400 °C are discussed.

AB - Mo(Si,Al)2-MoB composite coatings were deposited on TZM alloy by a single-step pack cementation process. The microstructure development of the coatings and the influence of deposition temperature on the coating structure are investigated. The coatings form via a sequence manner of first Al depositing and then Al-Si-B or Si-B co-depositing, while increasing the deposition temperature will move Al-Si-B or Si-B co-depositing ahead during the process. The coatings prepared at 1250 °C for more than 4 h consist of thick Mo(Si,Al)2 outer layer with dispersed MoB particles and thin MoB inner layer. The oxidation-resistant performance and degradation mechanism for the coatings during oxidation at 1400 °C are discussed.

KW - Microstructure development

KW - Mo base alloy

KW - Mo(Si,Al)-MoB composite coating

KW - Oxidation resistance

UR - https://www.scopus.com/pages/publications/85036610013

U2 - 10.1016/j.intermet.2017.12.002

DO - 10.1016/j.intermet.2017.12.002

M3 - 文章

AN - SCOPUS:85036610013

SN - 0966-9795

VL - 93

SP - 134

EP - 140

JO - Intermetallics

JF - Intermetallics

ER -

Development of Mo(Si,Al)₂-MoB composite coatings to protect TZM alloy against oxidation at 1400 °C

Abstract

Keywords

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