FORMING AND DEFORMATION BEHAVIOR OF THE ULTRAFINE-GRAINED Zr – 1Nb ALLOY

Abstract

Ɇɢɲɢɧ ɂ.ɉ. 1 , ɤ.ɮ.-ɦ.ɧ., ɧɚɭɱɧɵɣ ɫɨɬɪɭɞɧɢɤ ɋɬɟɩɚɧɨɜɚ ȿ.ɇ. 2 , ɤ.ɬ.ɧ., ɞɨɰɟɧɬ ɤɚɮɟɞɪɵ ɨɛɳɟɣ ɮɢɡɢɤɢ ɑɟɪɧɨɜ ɂ.ɉ. 2 , ɞ.ɮ.-ɦ.ɧ.,ɩɪɨɮɟɫɫɨɪ ɤɚɮɟɞɪɵ ɨɛɳɟɣ ɮɢɡɢɤɢ Ȼɭɥɵɧɤɨ Ⱦ.ɘ. 3 , ɫɬɭɞɟɧɬ 1 ɂɧɫɬɢɬɭɬ ɮɢɡɢɤɢ ɩɪɨɱɧɨɫɬɢ ɢ ɦɚɬɟɪɢɚɥɨɜɟɞɟɧɢɹ ɋɈ ɊȺɇ (634021, Ɋɨɫɫɢɹ, Ɍɨɦɫɤ, ɩɪ. Ⱥɤɚɞɟɦɢɱɟɫɤɢɣ, 2/4) 2 ɇɚɰɢɨɧɚɥɶɧɵɣ ɢɫɫɥɟɞɨɜɚɬɟɥɶɫɤɢɣ Ɍɨɦɫɤɢɣ ɩɨɥɢɬɟɯɧɢɱɟɫɤɢɣ ɭɧɢɜɟɪɫɢɬɟɬ (634034, Ɋɨɫɫɢɹ, Ɍɨɦɫɤ, ɩɪ. Ʌɟɧɢɧɚ, 30) 3 ɇɚɰɢɨɧɚɥɶɧɵɣ ɢɫɫɥɟɞɨɜɚɬɟɥɶɫɤɢɣ Ɍɨɦɫɤɢɣ ɝɨɫɭɞɚɪɫɬɜɟɧɧɵɣ ɭɧɢɜɟɪɫɢɬɟɬ (634034, Ɋɨɫɫɢɹ, Ɍɨɦɫɤ, ɩɪ. Ʌɟɧɢɧɚ, 36) Ⱥɧɧɨɬɚɰɢɹ. ɂɡɭɱɟɧɨ ɜɥɢɹɧɢɟ ɪɟɠɢɦɨɜ ɢɧɬɟɧɫɢɜɧɨɣ ɩɥɚɫɬɢɱɟɫɤɨɣ ɞɟɮɨɪɦɚɰɢɢ ɧɚ ɮɨɪɦɢɪɨɜɚɧɢɟ ɭɥɶɬɪɚɦɟɥɤɨɡɟɪɧɢɫɬɨɝɨ ɫɨɫɬɨɹɧɢɹ ɫɩɥɚɜɚ Zr-1Nb, ɫɨɞɟɪɠɚɳɟɝɨ ɜɵɞɟɥɟɧɢɹ ɜɬɨɪɢɱɧɵɯ ɮɚɡ ɜ ɜɢɞɟ ɱɚɫɬɢɰ ɜ ɨɛɴɟɦɟ ɢ ɧɚ ɝɪɚɧɢɰɚɯ ɡɟɪɟɧ. ɍɫɬɚɧɨɜɥɟɧɨ, ɱɬɨ ɩɪɟɫɫɨɜɚɧɢɟ ɫ ɩɨɫɬɟɩɟɧɧɵɦ ɩɨɧɢɠɟɧɢɟɦ ɬɟɦɩɟɪɚɬɭɪɵ ɜ ɢɧɬɟɪɜɚɥɟ 973-573 Ʉ ɩɪɢɜɨɞɢɬ ɤ ɪɚɫɬɜɨɪɟɧɢɸ ɜɵɞɟɥɟɧɢɣ ɜɬɨɪɢɱɧɵɯ ɮɚɡ ɢ ɮɨɪɦɢɪɨɜɚɧɢɸ ɜ ɫɩɥɚɜɟ ɭɥɶɬɪɚɦɟɥɤɨɡɟɪɧɢɫɬɨɣ ɡɟɪɟɧɧɨ-ɫɭɛɡɟɪɟɧɧɨɣ ɫɬɪɭɤɬɭɪɵ ɫɨ ɫɪɟɞɧɢɦ ɪɚɡɦɟɪɨɦ ɷɥɟɦɟɧɬɨɜ 0,25 ± 0,10 ɦɤɦ. ȼ ɩɪɨɰɟɫɫɟ ɩɪɟɫɫɨɜɚɧɢɹ ɩɪɢ ɤɨɦɧɚɬɧɨɣ ɬɟɦɩɟɪɚɬɭɪɟ ɫ ɩɪɨɦɟɠɭɬɨɱɧɵɦɢ ɨɬɠɢɝɚɦɢ ɜ ɬɟɱɟɧɢɟ 1 ɱ ɜ ɢɧɬɟɪɜɚɥɟ ɬɟɦɩɟɪɚɬɭɪ 873-803 Ʉ ɮɨɪɦɢɪɭɟɬɫɹ ɭɥɶɬɪɚɦɟɥɤɨɡɟɪɧɢɫɬɚɹ ɡɟɪɟɧɧɨɫɭɛɡɟɪɟɧɧɚɹ ɫɬɪɭɤɬɭɪɚ ɫɨ ɫɪɟɞɧɢɦ ɪɚɡɦɟɪɨɦ ɷɥɟɦɟɧɬɨɜ 0,45 ± 0,18 ɦɤɦ, ɩɪɢ ɷɬɨɦ ɜ ɫɬɪɭɤɬɭɪɟ ɫɨɯɪɚɧɹɸɬɫɹ ɱɚɫɬɢɰɵ ɜɬɨɪɢɱɧɵɯ ɮɚɡ. Ɏɨɪɦɢɪɨɜɚɧɢɟ ɭɥɶɬɪɚɦɟɥɤɨɡɟɪɧɢɫɬɨɣ ɫɬɪɭɤɬɭɪɵ ɩɪɢɜɨɞɢɬ ɤ ɭɜɟɥɢɱɟɧɢɸ ɩɪɟɞɟɥɨɜ ɩɪɨɱɧɨɫɬɢ ɢ ɬɟɤɭɱɟɫɬɢ ɫɩɥɚɜɚ Zr-1Nb ɜ 1,5-2,0 ɪɚɡɚ ɩɪɢ ɨɞɧɨɜɪɟɦɟɧɧɨɦ ɩɨɜɵɲɟɧɢɢ ɫɤɥɨɧɧɨɫɬɢ ɤ ɥɨɤɚɥɢɡɚɰɢɢ ɩɥɚɫɬɢɱɟɫɤɨɣ ɞɟɮɨɪɦɚɰɢɢ ɢ ɭɦɟɧɶɲɟɧɢɢ ɨɞɧɨɪɨɞɧɨɣ ɞɟɮɨɪɦɚɰɢɢ ɢ ɞɟɮɨɪɦɚɰɢɢ ɞɨ ɪɚɡɪɭɲɟɧɢɹ. ɉɪɢɫɭɬɫɬɜɢɟ ɱɚɫɬɢɰ ɜɬɨɪɢɱɧɵɯ ɮɚɡ ɜ ɭɥɶɬɪɚɦɟɥɤɨɡɟɪɧɢɫɬɨɣ ɫɬɪɭɤɬɭɪɟ, ɤɚɤ ɢ ɭɜɟɥɢɱɟɧɢɟ ɪɚɡɦɟɪɨɜ ɟɟ ɷɥɟɦɟɧɬɨɜ, ɩɪɟɩɹɬɫɬɜɭɟɬ ɪɚɡɜɢɬɢɸ ɥɨɤɚɥɢɡɚɰɢɢ ɩɥɚɫɬɢɱɟɫɤɨɣ ɞɟɮɨɪɦɚɰɢɢ ɢ ɩɨɜɵɲɚɟɬ ɷɮɮɟɤɬ ɞɟɮɨɪɦɚɰɢɨɧɧɨɝɨ ɭɩɪɨɱɧɟɧɢɹ. Ʉɥɸɱɟɜɵɟ ɫɥɨɜɚ: ɫɩɥɚɜ ɰɢɪɤɨɧɢɹ, ɢɧɬɟɧɫɢɜɧɚɹ ɩɥɚɫɬɢɱɟɫɤɚɹ ɞɟɮɨɪɦɚɰɢɹ, ɭɥɶɬɪɚɦɟɥɤɨɡɟɪɧɢɫɬɚɹ ɫɬɪɭɤɬɭɪɚ, ɞɟɮɨɪɦɚɰɢɨɧɧɨɟ ɭɩɪɨɱɧɟɧɢɟ, ɥɨɤɚɥɢɡɚɰɢɹ ɩɥɚɫɬɢɱɟɫɤɨɣ ɞɟɮɨɪɦɚɰɢɢ.