[1]魏瑛康,齊山權,王巖,等.電子束選區熔化成形M2高速鋼組織和磨損性能的研究[J].中國材料進展,2023,42(11):902-910.[doi:10.7502/j.issn.1674-3962.202211013]
WEI Yingkang,QI Shanquan,WANG Yan,et al.Research on Microstructure and Wear Resistance of M2 High Speed Steel Fabricated by Selective Electron Beam Melting (SEBM)[J].MATERIALS CHINA,2023,42(11):902-910.[doi:10.7502/j.issn.1674-3962.202211013]
點擊復制
電子束選區熔化成形M2高速鋼組織和磨損性能的研究(
)
中國材料進展[ISSN:1674-3962/CN:61-1473/TG]
- 卷:
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42
- 期數:
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2023年第11期
- 頁碼:
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902-910
- 欄目:
-
- 出版日期:
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2023-11-30
文章信息/Info
- Title:
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Research on Microstructure and Wear Resistance of M2 High Speed Steel Fabricated by Selective Electron Beam Melting (SEBM)
- 文章編號:
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1674-3962(2023)11-0902-09
- 作者:
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魏瑛康; 齊山權; 王巖; 張亮亮; 王建勇; 劉世鋒
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西安建筑科技大學 冶金工程學院粉末冶金與增材制造研究所，陜西 西安 710055
- Author(s):
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WEI Yingkang; QI Shanquan; WANG Yan; ZHANG Liangliang; WANG Jianyong; LIU Shifeng
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Institute of Powder Metallurgy and Additive Manufacturing, School of Metallurgical Engineering,Xi’an University of Architecture and Technology, Xi’an 710055, China
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- 關鍵詞:
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M2高速鋼; 電子束選區熔化; 掃描參數; 微觀組織; 耐磨性
- Keywords:
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M2 high speed steel; selective electron beam melting; scanning parameter; microstructure; wear resistance
- 分類號:
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TG142.1
- DOI:
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10.7502/j.issn.1674-3962.202211013
- 文獻標志碼:
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A
- 摘要:
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M2高速鋼是使用最廣泛和最具代表性的工具鋼。采用電子束選區熔化(selective electron beam melting, SEBM)增材制造技術成形M2高速鋼能有效避免傳統鑄造組織粗大、碳化物偏析等問題，有望大幅改善高速鋼力學、磨損等性能。通過使用不同掃描參數與2種粉床預熱溫度在316L不銹鋼基板上制備了M2高速鋼塊體試樣，重點研究了掃描參數和粉床預熱溫度對成形M2高速鋼致密度及晶粒尺寸、碳化物等顯微組織的影響。在最優化參數下，成形M2高速鋼致密度達99.7%，平均晶粒尺寸在3~6 μm，碳化物細小且分布較為均勻。通過維氏硬度試驗和摩擦磨損試驗分析了SEBM成形M2高速鋼的硬度與磨損性能。結果表明，在最優化參數下成形的M2高速鋼維氏硬度可達1034.2HV0.2，遠高于商用M2高速鋼刀具(815HV0.2~845HV0.2)，同時磨損率僅有(3.58±0.36)×10-5 mm3·N-1·m-1，較回火態鍛造母材降低了13.7%。此外，SEBM成形M2高速鋼的磨損機制主要為磨粒磨損和粘著磨損。
- Abstract:
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M2 high speed steel is the most widely used and representative tool steel. The use of selective electron beam melting (SEBM) additive manufacturing technology to form M2 high speed steel can effectively avoid the problems of coarse microstructure and carbide segregation by traditional wrought technology, and is expected to significantly improve its mechanical, wear and other properties. In this paper, M2 high speed steel bulk specimens were prepared on 316L stainless steel substrates with different scanning parameters and two powder bed preheating temperatures, focusing on the effects of scanning parameters and powder bed preheating temperatures on the microstructure of formed M2 high speed steel in terms of density，grain size and carbides. Under the optimized parameters, the densities of the formed M2 high speed steel reached 99.7%, the average grain size was 3~6 μm, and the carbides were small and uniformly distributed. The hardness and wear properties of SEBM formed M2 high speed steel were analyzed by Vickers hardness tests and friction tests. The results show that the Vickers hardness of formed M2 high speed steel with optimized parameters can reach 1034.2HV0.2, which is much higher than that of commercial M2 high speed steel tools (815HV0.2~845HV0.2), and the wear rate is only (3.58±0.36)×10-5mm3·N-1·m-1, which is 13.7% lower than that of tempered wrought counterpart. In addition, the wear mechanism of SEBM formed M2 high speed steel are mainly abrasive wear and adhesive wear.
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備注/Memo
- 備注/Memo:
-
收稿日期：2022-11-21修回日期：2023-03-08
基金項目：中國博士后科學基金項目（2021M702554）；陜西省自然科學基金項目（2022JM-259，2022JQ-367）；國家自然科學基金青年項目（52104341）
第一作者：魏瑛康，男，1992年生，講師，
Email:weiyingkang@xaua.edu.cn
通訊作者：劉世鋒，男，1978年生，教授，博士生導師，
Email:liushifeng66@126.com
更新日期/Last Update:
2023-10-25