2018/08-至今，清华大学机械工程系，助理研究员

2016/07-2018/07，清华大学机械工程系，博士后

耐热合金非平衡热过程中的微观组织演化与力学性能表征，近几年感兴趣的领域包括异种金属（马氏体耐热钢与镍基合金）之间的焊接，非平衡热作用下的耐热钢相变机理，焊接结构完整性。主要参与过的科研项目包括：

1. 含B、Co的9-12%Cr马氏体热强钢焊接中的切变型奥氏体化机理研究，国家自然科学基金项目，60万，第二参与人

2. 具有更高热强性的FB2钢与CrMoV钢转子专用焊材开发，上海电气委托项目，100万，第二参与人

3. 12Cr钢与NiCrMoV钢焊接转子工艺研究及接头性能测试，上海电气委托项目，100万，第二参与人

4. 基于退役转子晶界冶金行为韧性变化的研究评估大型焊接转子服役安全性，上海电气委托项目，60万，第二参与人

5. 基于小冲杆试验的转子焊接接头低循环疲劳性能快速表征与评估方法的研究，上海电气委托项目，60万，第二参与人

6. 核电低压焊接转子新焊剂埋弧焊焊缝冲击韧性研究及时效组织分析，上海电气委托项目，50万，第二参与人

7. 卡拉奇K2首根核电低压焊接转子焊缝区残余应力测试与分析，上海电气委托项目，35万，第二参与人

论文与专利：共发表论文11篇，其中SCI收录8篇；获得发明专利1项，列表如下：

研究论文：

[1] Li X, Li K, Li S, Wu Y, Cai Z*, Pan J. Microstructure and high temperature fracture toughness of NG-TIG welded Inconel 617B superalloy[J]. Journal of Materials Science & Technology, 2020, 39: 173-182.

[2] Hou M, Li K, Li X, Zhang X, Rui S, Wu Y, Cai Z*. Effects of Pulsed Magnetic Fields of Different Intensities on Dislocation Density, Residual Stress, and Hardness of Cr4Mo4V Steel[J]. Crystals, 2020, 10(2): 115.

[3] Li S, Li K, Hu M, Wu Y, Cai Z*, Pan J. The Mechanism for HAZ Liquation of Nickel-Based Alloy 617B During Gas Tungsten Arc Welding[J]. Metals, 2020, 10(1): 94.

[4] Li X, Li K*, Cai Z*, Pan J. A Review of Austenite Memory Effect in HAZ of B Containing 9% Cr Martensitic Heat Resistant Steel[J]. Metals, 2019, 9(11): 1233.

[5] Zhang Y, Li K, Cai Z*, Pan J. Creep rupture properties of dissimilar metal weld between Inconel 617B and modified 9% Cr martensitic steel[J]. Materials Science and Engineering: A, 2019, 764: 138185.

[6] 许擎栋, 李克俭, 蔡志鹏*, 吴瑶. 脉冲磁场对 TC4 钛合金微观结构的影响及其机理探究[J]. 金属学报, 2019, 55(4): 489-495.

[7] Li Y, Li K, Cai Z*, Pan J, Liu X, Wang P. Alloy design of welding filler metal for 9Cr/2.25 Cr dissimilar welded joint and mechanical properties investigation[J]. Welding in the World, 2018, 62(6): 1137-1151.

[8] Hu M, Li K, Cai Z*, Pan J. A new weld material model used in welding analysis of narrow gap thick-walled welded rotor[J]. Journal of Manufacturing Processes, 2018, 34: 614-624.

[9] Li S, Li K, Cai Z*, Pan J. Behavior of M23C6 phase in Inconel 617B superalloy during welding[J]. Journal of Materials Processing Technology, 2018, 258: 38-46.

[10] Han C, Li K, Liu X, Cao R, Cai Z*. Effect of Ti content and martensite–austenite constituents on microstructure and mechanical property[J]. Science and Technology of Welding and Joining, 2018, 23(5): 410-419.

[11] Li K, Wu Y, Li Y, Cai Z*. Mechanism for welding liquation cracking in a boron containing 9% Cr martensitic stainless steel[J]. Journal of Manufacturing Processes, 2018, 32: 714-720.

[12] Li Y, Cai Z*, Li K, Pan J, Liu X, Sun L, Wang P. Investigation of local brittle zone in multipass welded joint of NiCrMoV steel with heavy section[J]. Journal of Materials Research, 2018, 33(8): 923-934.

[13] Li K, Cai Z*, Wu Y, Pan J. Research on austenite transformation of FB2 heat-resistant steel during welding heating process[J]. Acta Metall Sin, 2017, 53(7): 778-788.

[14] Li K, Cai Z*, Li Y F, Pan J. Constitutional liquation of the laves phase in virgin FB2 steel[J]. Weld. J, 2016, 95: 257S-263S.

[15] Li K, Cai Z*, Li Y, Pan J. Evolution behavior of Laves phase in FB2 martensitic stainless steel during welding[J]. Acta Metall Sin, 2016, 52(6): 641-648.

专利：

[1] 蔡志鹏,潘际銮,李克俭,孙林根,杨仁杰,沈红卫,霍鑫,许晓进. 一种预测焊接接头疲劳裂纹扩展门槛值的方法[P]. 北京：CN103743636A,2014-04-23.