Etude en microscopie electronique du glissement pyramidal {1122} 〈1123〉 dans le magnesium

作者：J.F. Stohr, Jean Paul Poirier · 发表于：Philosophical magazine · 年份：1972 · DOI：10.1080/14786437208223856 · 被引用次数：354 · 研究领域：Magnesium Alloys: Properties and Applications、Hydrogen Storage and Materials

Electron Microscope Study of Pyramidal Slip {112} 〈113〉 in Magnesium We have investigated {112} 〈113〉 pyramidal slip in magnesium whose CRSS exhibits an anomalous dependence on temperature and increases between 270 and 375 K. Typical dislocation configurations were investigated by TEM in various temperature ranges. A model is proposed based on the thermally activated blocking of edge ⅓{113} dislocations. The blocking may be due to the dissociation of the ⅓{113} dislocation into two ⅙{203} partials. Our observations on magnesium are compared with those made on zinc and cadmium by other authors.