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INVESTIGATION ON 1/3[111] FRANK LEDGE DISLOCATIONS AT α_2/γINTERFACE IN HOT-DEFORMED Ti-45Al-10Nb ALLOY

J.G WanG , L.C Zhang , G.L. Chenand HQ. Ye(State Key Laboratory for Advanced Metals and Materials , Unborsity of Science and Technology Beijing , Beijing 100083 , China)(Laboratory of Atond Imaging of Solids , Institute of Metal Research , Chinese Academy of Sciences , Shenyang 110015 , China)

金属学报(英文版)

The dislocation ledges at the α2/7 intedece in a hot-dejormed Ti-45Al-10N alloywere analyzed by high-resolution tmnsmission electron microscopy. A new type ofdislocation ledge containing 1/3[111] Frank partial was found. The height of the ledgestDas always three [111]γplanes. The Burpers vectore of ...

关键词: titanium aluminide , null , null , null

CORRELATION BETWEEN STRESS COMPONENTS AND STRESS CORROSION CRACKS IN BRASS Lecturer,Department of Materials Physics,University of Science and Technology Beijing,Beijing 100083,China

QIAO Lijie LIU Rui XIAO Jimei University of Science and Technology Beijing , Beijing , China

金属学报(英文版)

The effects of stress components on nucleation sites and propagation directions of stress cor- rosion cracks in brass were investigated with specimens under mode Ⅱ and mode Ⅲ loadings. The results indicated that under mode Ⅱ loading,stress corrosion cracks nucleated on the site with maximum normal s...

关键词: stress corrosion cracking , null , null , null

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