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Guoliang CHEN Yandong WANG Wangyue YANG Zhuqing SUN Runrong REN Dept.of Materials Science and Engineering , Beijing University of Science and Technology , Beijing , 100083 , ChinaShijie ZHU Suhua AI Lab.of Fatigue and Fracture for Materials , Institute of Metal Res
材料科学技术（英文）
The effect of strain rate on the bend ductility and notch fracture toughness of Ti-24Al-11 Nb was studied,it was found that the strain rate with a range of 1.17×10~(-5)～1.17 ×10~(-3) at 20℃ had nega- tive influence on both properties based on different microstructures.
关键词: bend ductility , null , null
SHI Fan ZHOU Shouzeng SHI Zhenhua LI Fubiao Beijing University of Science and Technology , Beijing , China Department of Materials Sicence and Engineering , Beijing University of Science and Technology , Beijing , China
金属学报(英文版)
The Bi-Sr-Ca-Cu-O suterconducting ceramics with T_c(onset)=112K, T_c(R=0)=85.3 K were prepared by quenching process.The Meissner effect of the sample appears at about 84.0 K.
关键词: superconductivity , null
