Microstructure and Properties of Purity High Mn Steel Crossing Explosion Hardened
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概要
- 論文の詳細を見る
In this paper the effects of explosion hardening on the microstructure and the mechanical properties as well as the lifetime of purity high Mn steel crossing have been studied. The optimum explosion hardening technology of the purity high Mn steel crossing was proposed. That is the explosion by using cyclonite explosive in thickness of 4 mm. The new technology emphasizes the formation of a 25 mm-deep hardened layer with surface hardness of 360 HB. Upon the explosion impact, the deformation mechanism of the material is found to follow in-situ plastic deformation. The explosion hardening mechanism of the steel crossing are dislocation and twin hardenings. The explosion hardening enhances the mechanical properties of the material, included the deformation resistance, wear resistance and fatigue resistance, therefore, the lifetime of the purity high Mn steel crossing can be increased by ~40% through the explosion hardening treatment.
- 社団法人 日本鉄鋼協会の論文
- 2008-12-15
著者
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Liu Hui
Dep. Of Metallurgy Coll. Of Materials Sci. And Engineering Chongqing Univ.
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ZHANG Fucheng
State Key Laboratory of Metastable Materials Science and Technology, Yanshan University
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LV Bo
State Key Laboratory of Metastable Materials Science and Technology, Yanshan University
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WANG Tiansheng
State Key Laboratory of Metastable Materials Science and Technology, Yanshan University
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ZHENG Chunlei
State Key Laboratory of Metastable Materials Science and Technology, Yanshan University
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ZHANG Ming
State Key Laboratory of Metastable Materials Science and Technology, Yanshan University
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LUO Haihui
State Key Laboratory of Metastable Materials Science and Technology, Yanshan University
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LIU Hui
China Railway Shanhaiguan Bridge Group Co., LTD
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Lv Bo
State Key Laboratory Of Metastable Materials Science And Technology Yanshan University
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Zheng Chunlei
State Key Laboratory Of Metastable Materials Science And Technology Yanshan University
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Zhang Fucheng
State Key Laboratory Of Metastable Materials Science And Technology Yanshan University
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Wang Tiansheng
State Key Laboratory Of Metastable Materials Science And Technology Yanshan University
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Zhang Ming
State Key Laboratory Of Metastable Materials Science And Technology Yanshan University
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