Influence of Sintering and Heat Treatment on the Microstructure, Mechanical Properties, and Tribological Performance of AlTiN-Coated PM M42 High-Speed Steel.

Zijun Qi, Yi Chen, Ji Li, Yongde Huang, Qian Wang, Qi Wei, Xiaofeng Yang, Qiang Liu

Abstract read

In one paragraph

Article in Materials (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

8 authors.

Zijun QiSchool of Material Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China.ORCID 0009-0001-7635-5719

Yi ChenSchool of Material Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China.

Ji LiUniversity of Science and Technology of China, Hefei 230026, China.

Yongde HuangSchool of Intelligent Manufacturing (Aerospace Engineering), Taizhou University, Taizhou 318000, China.

Qian WangKey Laboratory of Rare Earths, Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou 341119, China.

Qi WeiKey Laboratory of Rare Earths, Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou 341119, China.

Xiaofeng YangKey Laboratory of Rare Earths, Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou 341119, China.ORCID 0009-0003-5253-1233

Qiang LiuSchool of Material Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China.

Funding

Qian Wang No.E355B0020；No. jxsq2023101058

6 · The paper itself

Abstract

Preparing a highly wear-resistant AlTiN coating on a powder metallurgy (PM) M42 high-speed steel substrate is a key strategy to enhance tool performance and meet the demands of efficient machining. This study adopted a process route comprising substrate preparation, heat treatment regulation, and arc-PVD deposition of AlTiN coatings to systematically investigate the influence of sintering temperature (1130, 1160, and 1190 °C) and austenitizing time (1150 °C for 0, 15, 60, and 120 min) on the microstructure and mechanical properties of the substrate, as well as on the tribological performance of the AlTiN coatings. The results indicate that elevating the sintering temperature promotes densification of the matrix, with Vickers hardness increasing from 366 HV to 462 HV and bending strength (σ) increasing from 1064 MPa to 1310 MPa. The predominant carbide phases identified are MC, M

Indexed as

AlTiN coatingcarbide phase evolutionfriction and wearM42 high-speed steelmechanical propertieswear rate

Identifiers

PMID42073831

DOI10.3390/ma19081667

PMCPMC13117482

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.