李琳琳
工学博士
1987年出生于山东泰安
中国科学院金属研究所，材料疲劳与断裂研究部，副研究员
联系方式
办公电话：23971761
Email: llli@imr.ac.cn
教育与工作经历
2004.09–2008.07：山东大学，材料科学与工程学院，材料科学与工程专业，工学学士
2008.09–2014.07：中国科学院金属研究所，材料疲劳与断裂研究部，材料物理与化学，工学博士
2014.07-2016.06：中国科学院金属研究所，沈阳材料科学国家（联合）实验室，
“葛庭燧奖研金”获得者，助理研究员
2016.07-至今：中国科学院金属研究所，沈阳材料科学国家（联合）实验室，“引进优秀学者”，副研究员
研究方向
材料疲劳裂纹萌生微观机制及疲劳小裂纹扩展机制研究
主要成果
1）发现大角晶界的界面能和晶界附近的应变不相容性是决定晶界抵抗疲劳裂纹萌生能力的主要因素；
2）有别于普通大、小角晶界，共格孪晶界的本征疲劳开裂行为与取向有关，揭示了共格孪晶界疲劳损伤机制的取向规律与可调节性；
3）研究了非共格孪晶界不同取向下的疲劳损伤行为，填补了研究空白，同时阐明了在共面滑移带穿过作用下晶界的疲劳损伤机制；
4）阐明了晶界在两侧与之平行的滑移带作用下的剪切疲劳开裂模式；
5）揭示了晶界在小尺度下对位错湮灭与滑移的抑制作用可缓解材料变形的塑性失稳并引发加工硬化效应。
在研项目
“铜及铜铝合金中晶界、孪晶界的变形与剪切疲劳开裂机制研究”，国家自然科学基金青年科学基金项目，2015.07，项目负责人。
获奖情况
中国科学院金属研究所“葛庭燧奖研金”，2014.07
中国科学院优秀博士学位论文，2015.09
中国科学院金属研究所“引进优秀学者”，2016.07
发表论文
1. Linlin Li, Zhenjun Zhang, Peng Zhang, Zhongguang Wang and Zhefeng Zhang*, Controllable fatigue cracking mechanisms of copper bicrystals with a coherent twin boundary, Nature Communications, 2014, 5, 3536.
2. Linlin Li, Peng Zhang, Zhenjun Zhang and Zhefeng Zhang*, Effect of crystallographic orientation and grain boundary character on fatigue cracking behaviors of coaxial copper bicrystals, Acta Materialia, 2012, 61: 425-438.
3. Linlin Li, Peng Zhang, Zhenjun Zhang, Haofei Zhou, Shaoxing Qu, Jinbo Yang and Zhefeng Zhang*, Strain localization and fatigue cracking behaviors of Cu bicrystal with an inclined twin boundary, Acta Materialia, 2014, 73: 167-176.
4. Linlin Li, Zhenjun Zhang, Peng Zhang, Jinbo Yang and Zhefeng Zhang*, Distinct fatigue cracking modes of grain boundaries with coplanar slip systems, Acta Materialia, accepted.
5. Linlin Li, Peng Zhang, Zhenjun Zhang and Zhefeng Zhang*, Intrinsically higher fatigue cracking resistance of the penetrable and movable incoherent twin boundary, Scientific Reports, 2014, 4, 3744.
6. Linlin Li, Zhenjun Zhang, Peng Zhang and Zhefeng Zhang*, Higher resistance of twin boundary to fatigue cracking than grain boundary in Cu bicrystals, Scripta Materialia, 2011, 65: 505-508.
7. Linlin Li, Xianghai An, Peter J. Imrich, Peng Zhang, Zhenjun Zhang, Gerhard Dehm and Zhefeng Zhang*, Microcompression and cyclic deformation behaviors of coaxial copper bicrystals with a single twin boundary, Scripta Materialia, 2013, 69: 199-202.
8. Linlin Li, Zhenjun Zhang, Peng Zhang, Jinbo Yang and Zhefeng Zhang*, Difference in fatigue cracking behaviors of Cu bicrystals with same component grains but different twin boundaries, Scripta Materialia, 2015, 95: 19-22.
9. Linlin Li, Zhenjun Zhang, Peng Zhang, Jinbo Yang and Zhefeng Zhang*, Shear fatigue cracking of twin boundary and grain boundary without dislocation impingement. Scripta Materialia, 2015, 100: 28-31.
10. Linlin Li, Zhenjun Zhang, Jun Tan, Chuanbin Jiang, Ruitao Qu, Peng Zhang, JinboYang and Zhefeng Zhang*, Stepwise work hardening induced by individual grain boundary in Cu bicrystal micropillars, Scientific Reports, 2015, 5, 15631.
11. Zhenjun Zhang, Linlin Li, Peng Zhang, and Zhefeng Zhang*, Fatigue cracking at twin boundary: Effect of dislocation reactions, Appllied Physics Letter, 2012, 101, 011907.
12. Zhenjun Zhang, Peng Zhang, Linlin Li, and Zhefeng Zhang*, Fatigue cracking at twin boundaries: Effects of crystallographic orientation and stacking fault energy, Acta Materialia, 2012, 60: 3113-3127.
13. Peng Zhang, Zhenjun Zhang, Linlin Li, and Zhefeng Zhang*, Twin boundary: Stronger or weaker interface to resist fatigue cracking. Scripta Materialia, 2012, 66: 854-859.
14. Rui Liu, Zhenjun Zhang, Linlin Li, Xianghai An, and Zhefeng Zhang*, Microscopic mechanisms contributing to the synchronous improvement of strength and plasticity (SISP) for TWIP copper alloys, Scientific Reports, 2015, 5, 9550.
15. Keqiang Li, Jinbo Yang, Zhenjun Zhang, Linlin Li, Peng Zhang, Zhefeng Zhang, The dissociation behavior of dislocation arrays in face centered cubic metals and alloys, Computational Materials Science, 2016, 124:384-389.
