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Dive into the research topics where Kangmin Chen is active.

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Featured researches published by Kangmin Chen.


First International Conference on Integration and Commercialization of Micro and Nanosystems, Parts A and B | 2007

Tensile Properties and Dislocation Strengthening of CP-Ti Processed by Equal-Channel Angular Pressing at 723K

Xiaojing Xu; Xuefeng Zhang; Jinqi Cao; Kangmin Chen; Li Pan

In present study, equal channel angular pressing (ECAP) of a quenched commercially pure titanium (CP-Ti) (grade 2) has been successfully performed at 723 K with an imposed equivalent normal strain of about ∼0.5, and its tensile properties and dislocation strengthening was investigated. A high yield strength of ∼680 MPa (36% higher than that of the unECAPed CP-Ti) in terms of CP-Ti has been observed. In addition to the strengthening, this processing allows the ECAPed CP-Ti have a high level of tensile ductility (∼30%). The dislocation strengthening contribution was estimated by using Taylor equation, where the dislocation density was calculated in terms of the value of the coherent diffraction domain size and the lattice micro-strain, which were obtained from XRD line broadening analysis. This theoretical analysis illustrates that ECAP-resulted dislocation make a strengthening contribution of about ∼34.9% for the improvement in strength.Copyright


Wear | 2008

Friction and wear properties of CrN coatings sliding against Si3N4 balls in water and air

Fei Zhou; Kangmin Chen; Meiling Wang; Xiaojing Xu; Hua Meng; Min Yu; Zhendong Dai


Materials Science and Engineering A-structural Materials Properties Microstructure and Processing | 2012

Effect of repeated impacts on mechanical properties and fatigue fracture morphologies of 6061-T6 aluminum subject to laser peening

Jian Zhong Zhou; Shu Huang; Jie Sheng; J.Z. Lu; C.D. Wang; Kangmin Chen; Hong Yan Ruan; H.S. Chen


Materials Science and Engineering A-structural Materials Properties Microstructure and Processing | 2011

Effect of laser shock processing on the fatigue crack initiation and propagation of 7050-T7451 aluminum alloy

Xudong Ren; Yongkang Zhang; H.F. Yongzhuo; Liang Ruan; Da Wei Jiang; Tao Zhang; Kangmin Chen


Materials Science and Engineering A-structural Materials Properties Microstructure and Processing | 2009

High-cycle fatigue behavior of high-nitrogen austenitic stainless steel

Q.X. Dai; Zhizhong Yuan; Xi Chen; Kangmin Chen


Materials Science and Engineering A-structural Materials Properties Microstructure and Processing | 2008

Impact properties of high-nitrogen austenitic stainless steels

Zhizhong Yuan; Qixun Dai; Xiaonong Cheng; Kangmin Chen; Wenwei Xu


Materials Science and Engineering A-structural Materials Properties Microstructure and Processing | 2013

Deformation microstructures of austenitic stainless steel 2Cr13Mn9Ni4 under ultrafast strain rate by laser shock processing

Kangmin Chen; Chenchao Zheng; Zhizhong Yuan; Jinzhong Lu; Xudong Ren; Xinmin Luo


Archive | 2009

Nitrogen austenite steel microstructure predicting method

Zhizhong Yuan; Qixun Dai; Andong Wang; Kangmin Chen; Xiaonong Cheng; Yangkang Hua; Jianguo Ji; Jianxin Zhuang


Materials Science and Engineering A-structural Materials Properties Microstructure and Processing | 2008

Effect of SiC film on tensile properties of nanostructured Ti produced by compressive deformation at liquid-nitrogen temperature

Xiaojing Xu; Honghong Shao; Jianchang Gao; Kangmin Chen; Xiaonong Cheng


Archive | 2008

Mid nitrogen high manganese austenitic stainless steel

Zhizhong Yuan; Qixun Dai; Andong Wang; Kangmin Chen; Xiaonong Cheng

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Fei Zhou

Nanjing University of Aeronautics and Astronautics

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