Influence of the Phase Composition and Texture on the Elastic Properties of Al-Cu-Li Alloys

被引：0

作者：

Gordeeva, M. I. ^{[1
]}

Betsofen, S. Ya. ^{[1
]}

Shalin, A. V. ^{[1
]}

Oglodkov, M. S. ^{[2
]}

Oglodkova, Yu. S. ^{[2
]}

Wu, R. ^{[3
]}

Maksimenko, E. I. ^{[1
]}

Prokopenko, D. A. ^{[1
]}

机构：

[1] Natl Res Univ, Moscow Aviat Inst, Moscow 125993, Russia

[2] All Russian Sci Res Inst Aviat Mat, Kurchatov Inst, Natl Res Ctr, Moscow 105005, Russia

[3] Harbin Inst Technol, Harbin 150001, Peoples R China

来源：

RUSSIAN METALLURGY | 2024年 / 2024卷 / 02期

基金：

中国国家自然科学基金; 俄罗斯科学基金会;

关键词：

Al-Cu-Li alloys; Young's modulus; texture; anisotropy; quantitative phase analysis;

D O I：

10.1134/S0036029524700745

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The influence of the crystallographic texture and phase composition of 1441, V-1461, and V-1469 alloy sheets of the Al-Cu-Li system on the anisotropy of Young's modulus is studied. The {110}< 112 > brass-type texture is shown to form in the sheets and to cause the same anisotropy of the elastic modulus of the alloys: the maximum value in the direction transverse to the rolling direction and the minimum value in the direction at an angle of 45 degrees. This corresponds to the peculiarities of elastic anisotropy of aluminum. The quantitative ratios of the delta' (Al3Li) and T-1 (Al2CuLi) phases are determined using a unique procedure of phase analysis, and their elastic moduli are estimated. Young's modulus averaged over three chosen directions (along and across the rolling direction and at an angle of 45 degrees) is found to be proportional to the total content of intermetallic compounds.

引用

页码：423 / 430

页数：8

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