X-Ray Diffraction Studies of Cold-Worked Copper-Antimony Alloys

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The deformation stacking fault probability α and twin stacking fault probability β in cold-worked copper-antimony alloys have been obtained from peak shift and peak asymmetry measurements of the X-ray line profiles, and the fault parameter α has been found to increase in a roughly parabolic manner with increasing solute concentration but the increase with increasing solute valency for fixed e/a is not clearly established. The anisotropic values of the particle size [D_e]_<hkl> and r.m.s. strain [<〓L^2>]^<1/2>_<hkl> have been evaluated using both Fourier analysis of line shapes and integral breadth methods, and the lattice parameters have been found to vary considerably with increasing solute content. The values of the compound fault probability (1.5α+β) obtained from two independent methods are in fair agreement and the role of stacking faults in the particle size broadening is clearly seen. Particle sizes and strain values are also utilized for an estimation of dislocation density ρ in the cold-worked materials.
一般社団法人日本物理学会の論文
1970-08-05