Study on the effects of high-frequency induction heated sintering and hot isostatic pressing sintering on microstructure and properties of powder metallurgy high-speed steel

WEN Jiaxin; SHI Qi; ZHOU Ge; CHEN Lijia; LIU Xin; YIN Fuxing; LIANG Shenglong; WANG Xuelin; SHANG Chengjia

doi:10.7513/j.issn.1004-7638.2025.04.019

Volume 46 Issue 4

Aug. 2025

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WEN Jiaxin, SHI Qi, ZHOU Ge, CHEN Lijia, LIU Xin, YIN Fuxing, LIANG Shenglong, WANG Xuelin, SHANG Chengjia. Study on the effects of high-frequency induction heated sintering and hot isostatic pressing sintering on microstructure and properties of powder metallurgy high-speed steel[J]. IRON STEEL VANADIUM TITANIUM, 2025, 46(4): 142-149. doi: 10.7513/j.issn.1004-7638.2025.04.019

Citation:

WEN Jiaxin, SHI Qi, ZHOU Ge, CHEN Lijia, LIU Xin, YIN Fuxing, LIANG Shenglong, WANG Xuelin, SHANG Chengjia. Study on the effects of high-frequency induction heated sintering and hot isostatic pressing sintering on microstructure and properties of powder metallurgy high-speed steel[J]. IRON STEEL VANADIUM TITANIUM, 2025, 46(4): 142-149. doi: 10.7513/j.issn.1004-7638.2025.04.019

Citation:

WEN Jiaxin, SHI Qi, ZHOU Ge, CHEN Lijia, LIU Xin, YIN Fuxing, LIANG Shenglong, WANG Xuelin, SHANG Chengjia. Study on the effects of high-frequency induction heated sintering and hot isostatic pressing sintering on microstructure and properties of powder metallurgy high-speed steel[J]. IRON STEEL VANADIUM TITANIUM, 2025, 46(4): 142-149. doi: 10.7513/j.issn.1004-7638.2025.04.019

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Study on the effects of high-frequency induction heated sintering and hot isostatic pressing sintering on microstructure and properties of powder metallurgy high-speed steel

doi: 10.7513/j.issn.1004-7638.2025.04.019

1.
School of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110870, Liaoning, China
2.
Institute of New Materials, Guangdong Academy of Sciences, Guangdong Provincial Key Laboratory of Metal Strengthening Technology and Application, National Engineering Research Center for Titanium and Rare Metal Powder Metallurgy, Guangzhou 510650, Guangdong, China
3.
Yangjiang Alloy Materials Laboratory, Yangjiang 529500, Guangdong, China

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Received Date: 2024-09-14
Available Online: 2025-08-31
Publish Date: 2025-08-31

Abstract

Abstract

The effects of high frequency induction heated sintering (HFIHS) and hot isostatic pressing (HIP) processes on the densification, microstructure and mechanical properties of prepared powder metallurgy high speed steel (PM-HSS) were studied. The results show that the HFIHS process can be used to prepare PM-HSS with a density of nearly 95% under short-time and low-pressure conditions, which is slightly lower than that prepared by HIP. In terms of microstructure, the PM-HSS produced by these two processes show significant differences: The sample prepared by HFIHS is composed of ferrite matrix and a large number of reticular carbides, while the other produced by HIP is composed of ferrite matrix and a large number of homogenously distributed strip carbides. Although the micro-hardness, yield strength, tensile strength and elongation of the high speed steel sintered by HFIHS process were lower than those of the HIPed sample, the performance is still similar. This finding indicates that the HFIHS process can be used to prepare PM-HSS products with excellent performance in a short time and at low cost, thus it is especially suitable for industrial fields with high requirements for cost and production cycle.
- powder metallurgy high-speed steel,
- high frequency induction heated sintering,
- hot isostatic pressing,
- microstructure,
- mechanical properties

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References(21)

References

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