姓氏：闫

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03-06

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[主楼] 闫牧夫教授

http://3www.hit.edu.cn/experts/prof.asp?id=594研究方向
1.材料表面稀土改性稀土在材料表面改性中应用及其催化和微合金化机制。涉及等离子体与稀土化学热处理、激光稀土表面合金化、防护层的稀土改性、表面纳米化及表面定向生长柱状晶。2.特种合金制备与复合强韧化航天用合金的稀土改性与纯净化制备、形变快速再结晶超细化及其时效强韧化机理和应用。3.材料改性过程的数学模型与仿真材料加热冷却过程变形预报与控制、表面改性过程元素分布的模型化与仿真、材料服役过程性能预报与表征。

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论著成果

[1]M. F. Yan, Y. Sun, T. Bell L. F. Xia, Z. R. Liu. Effect of Temperature and Phase Constitution on Kinetics of La Diffusion, J. Rare Earths, 20(2002)4:329

[2]M. F. Yan, T. Bell. Effect of Proportion of -Fe4N in Compound Layer Produced during Plasma Nitriding on Diffusion Coefficient of Lanthanum, J. Mater. Sci. Lett., 20(2001)16:1507

[3]M. F. Yan, W. Pan, T. Bell, Z. R. Liu. Catalysis of Rare Earths on the Kinetics Process of Carburizing in a Sealed Quench Furnace with Endothermic Atmosphere, Appl. Surf. Sci., 173(2001)1-2:91

[4]M. F. Yan, C. H. Cai, Z. R. Liu. Study on the Replacement of Conventionally Complex Processing for Steel 20Cr2Ni4A by RE Carburizing at Lower Temperature, Mater. Sci. Tech., 17(2001)8:1021

[5]M. F. Yan, Z. R. Liu. Study on Microstructure and Microhardness in Surface Layer of Steel 20CrMnTi Carburized at 880C with and without RE, Mater. Chem. Phys., 72(2001)2:97

[6]M. F. Yan, Z. R. Liu. Effect of Rare Earth on Diffusion Coefficient and Transfer Coefficient of Carbon during Carburizing, J. Rare Earths, 19(2001)2:122

[7]M. F. Yan. Study on Absorption and Transport of Carbon in Steel during Gas Carburizing with Rare Earth Addition, Mater. Chem. Phys., 70(2001)2:242

[8]M. F. Yan, J. H. Yan, T. Bell. Numerical Simulation of Nitrided Layer Growth and Nitrogen Distribution in -Fe2-3N, -Fe4N and -Fe during Pulse Plasma Nitriding of Pure Iron, Modell. Simul. Mater. Sci. Eng., 8(2000)4:491

[9]刘志儒, 闫牧夫, 朱法义. 稀土在气体渗氮及氮碳共渗工艺中的应用方法, 中国发明专利97114434.6

[10]闫牧夫, 刘志儒, 朱法义. 连续式可控气氛渗碳炉稀土催渗剂加入装置, 中国实用新型专利97214598.2

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