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| 1 | HEALING OF HYDROGEN ATTACK CRACK IN AUSTENITE STAINLESS STEEL UNDER HEAT TREATMENT显示文摘The specimens of 304 austenite stainless steel with the hydrogen attack bubbles orcracks were heat treated at 600℃ for 6h. The SEM and TEM observations on thespecimens before and after the heat treatment showed that the bubbles or cracks could behealed completely by heat treatment. The healing of hydrogen attack bubbles or cracksis closely related to heat diffusion of Fe and C atoms in austenite. The driving forceof crack healing results fram the plastic deforming energy Es induced by the growthof hydrogen attack bubbles or cracks. The critical condition of healing of bubbles orcracks is Es ≥ 2γ/r (where γγ is the surface tension, r is the radius of bubbles or halflength of crack). During healing of the hydrogen attack bubbles or cracks, the recovery,polygonization and recrystallization of the sub-grain also occured. | X.G.Li,C.F.Dong and H.Chen School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China State Key Laboratory of Corrosion and Protection, Institute of Metal Research, The Chinese Academy of Sciences, She | 2002 | Acta Metallurgica Sinica(English Letters)2002，15，4： | 4 |
| 2 | 定量因果原理对变分原理和相互作用的局域性因果原理的统一显示文摘 | 黄永畅 X.G.Li | 2001 | 自然杂志2001，23，4： | 3 |
| 3 | An insight into Mg alloying effects on Cu thin films:microstructural evolution and mechanical behavior显示文摘How to design ultra-strong,light-weight Cu alloys is a long-term pursuit in materials community,which is technically superior and cost-effective for their promising energy-saving applications.In this work,we prepared Cu-Mg alloyed thin films to study light element Mg alloying effects on the microstructure,hardness and strain rate sensitivity(SRS) of nanocrystalline Cu thin films.In the studied Mg concentrationrange spanning from 0 at.% to 16.8 at.%,both the grain size and the twin spacing decrease monotonously with increasing Mg composition while Cu-2.8 at.% Mg sample has the highest twin fraction of ~75%.A combined strengthening model was employed to quantify the Mg concentration-dependent hardness of nanotwinned(NT) Cu-Mg thin films,in which the grain/twin boundary facilitates strengthening while the solute Mg atoms induce softening.Both the constant rate of loading tests and the nanoindentation creep tests uncover that compared with pure Cu samples,the NT Cu-Mg thin films manifest much lower SRS,particularly in the creep tests,owing to the activation of dynamic strain aging effects. | G.Y.Li L.F.Cao J.Y.Zhang X.G.Li Y.Q.Wang K.Wu G.Liu J.Sun | 2020 | Journal of Materials Science & Technology2020，54，22： | 2 |
| 4 | 查看详情显示文摘 | Y.W.Yin M.Raju W.J.Hu X.J.Weng K.Zou J.Zhu X.G.Li Z.D.Zhang and Qi Li | | 0，，04： | 1 |
| 5 | 查看详情显示文摘 | L.J.Zhou Q.Wu J.H.Pan C.J.Meng W.X.Ma and X.G.Li | | 0，，： | 1 |
| 6 | 查看详情显示文摘 | Y.W.Yin M.Raju W.J.Hu X.J.Weng X.G.Li and Q.Li | | 0，，： | 1 |
| 7 | 查看详情显示文摘 | N.Zhang Y.Y.Guo L.Lin S.Dong Z.B.Yan X.G.Li and J.M.Liu | | 0，，10： | 1 |
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