多結晶金属材料におけるX線回折現象
スポンサーリンク
概要
- 論文の詳細を見る
X-ray diffraction patterns of polycrystal specimens are generally spotted. When we are to determine the residual stress of such specimens by X-rays, the specimens must be moved to produce continuous series of diffraction rings. Using annealed low carbon steel plates, we experimentally investigated how their diffraction rings appeared under horizontal and rotative movements. For the experiment we have used Cr Kα line of parallel beam X-rays and divergence X-rays. The X-ray diffraction patterns obtained from this experiment were invariably spotted ones extended a specific direction which depends on the manner of the movement of the specimen. This direction agreed with the specimen movement in the case of horizontal movement, and with the direction normal to the rotative axis in the case of rotative movement. According to the observation, the mechanism of variation in the spotted pattern differ from case to case. Though the geometric diffractive conditions of the X-rays and specimens are the same. it has been revealed that the difference in mechanism due to the state of crystal cohesion and that due to the solar slit scattering of parallel beam X-rays are superposed upon each other. Moreover, assuming that the X-ray diffraction pattern is caused by the Bragg reflection, we ave theoretically established the conditions for diffraction ring to separate itself into line and Kα_2 line, with respect to the parallel beam X-rays and the divergence X-rays. The condition thus obtained agreed well with the experimental results. In the X-ray diffraction patterns obtained from the experiment, a diffraction pattern for the satellite line of Kα line could be recognized.
- 社団法人日本材料学会の論文
- 1969-12-15
著者
関連論文
- ショットピーニング加工を施した大型ばね鋼板の疲労現象について
- 位置敏感形検出器による疲労被害の検出 : 回折X線プロファイル変化の特性(X線材料強度小特集)
- 接触面の塑性変形機構および磨耗粉発生機構
- 多結晶金属材料におけるX線回折現象