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Application of Isothermal Upset for Megaplastic Deformation of Cu–Al–Ni β Alloys
Technical Physics ( IF 1.1 ) Pub Date : 2020-08-06 , DOI: 10.1134/s1063784220070245 A. E. Svirid , A. V. Lukyanov , V. G. Pushin , N. N. Kuranova , V. V. Makarov , A. V. Pushin , A. N. Uksusnikov
中文翻译:
等温Up变在Cu-Al-Niβ合金的巨塑性变形中的应用
更新日期:2020-08-06
Technical Physics ( IF 1.1 ) Pub Date : 2020-08-06 , DOI: 10.1134/s1063784220070245 A. E. Svirid , A. V. Lukyanov , V. G. Pushin , N. N. Kuranova , V. V. Makarov , A. V. Pushin , A. N. Uksusnikov
Abstract
Cu–14 wt% Al–4 wt% Ni alloy demonstrating the shape memory effect has been subjected to plastic deformation by means of uniaxial compression (upset). The process has been controlled by measuring the strain rate, applied stress, and compression ratio of standard specimens under isothermal conditions in the interval 400–600°C. Structural modifications in the alloy after mechanical tests have been studied by optical, scanning, and transmission microscopy methods and using X-ray phase analysis. It has been found that grains in the alloy became much finer (from 1 mm to 100 μm across) and its strength and ductility improved owing to dynamic recrystallization.中文翻译:
等温Up变在Cu-Al-Niβ合金的巨塑性变形中的应用