相关实验视频

Updated: Mar 15, 2026

An Available Technique for Preparation of New Cast MnCuNiFeZnAl Alloy with Superior Damping Capacity and High Service Temperature

An Available Technique for Preparation of New Cast MnCuNiFeZnAl Alloy with Superior Damping Capacity and High Service Temperature

Published on: September 23, 2018

通过连续造和符合工艺加工的Al-5Cu-0.4Mg-0.1Zr (-0.4Ag) 合金的微观结构特征和机械性能

Yunhai Wang^1,2, Qianwang Gao³, Quanshi Cheng⁴

¹State Key Laboratory of Cemented Carbide, College of Materials Science and Engineering, Hunan University, Changsha 410082, China.

Materials (Basel, Switzerland)

|March 14, 2026

概括

添加银精炼了颗粒结构,并增强了Al-Cu-Mg-Ag合金中的机械性能. 这项研究表明,通过优化加工和热处理,提高了强度和柔性,克服了生产挑战.

科学领域:

材料科学材料科学材料科学
金工业是一种金工业.

背景情况:

-铜--银 (Al-Cu-Mg-Ag) 合金具有高特异性强度和耐热性,对于航空航天和汽车行业至关重要.
添加银 (Ag) 对工业生产构成挑战,限制了这些先进合金的广泛应用.

研究的目的:

研究添加银 (Ag) 对Al-5Cu-0.4Mg-0.1Zr合金微观结构和机械性能的影响.
评估连续造和连续挤压 (Conform) 工艺与热处理相结合的Ag含合金的有效性.

主要方法:

使用工业连续造和Conform挤出制备带有和没有Ag的Al-5Cu-0.4Mg-0.1Zr合金.
微观结构分析包括粒度大小,粒度边界分数和方向.
在T5和T6热处理后测试机械性能 (硬度,抗拉强度).

主要成果:

银的添加显著提炼了颗粒大小和增加了高角度颗粒边界分数在造和挤压合金中.
T6热处理显示出优异的强化,Ag促进了 Ω (Al2CuMgAg) 阶段的均沉.
含有Ag的合金达到160HV的峰硬度和511.46±2.06MPa的抗拉强度,具有更好的强度-柔性平衡.

结论:

添加银对于提炼谷物结构和增强Al-Cu-Mg-Zr合金中的机械性能是有益的.
连续造,Conform挤出和T6热处理的组合为生产高性能Al-Cu-Mg-Ag合金提供了一个可行的途径.
在Ag的帮助下,优化加工和热处理可以克服生产挑战,并改善这些合金的强度-柔性平衡.

关键词:

这是一种Al合金,Al合金.连续挤出连续挤出热处理热处理的方法机械性能机械性能机械性能微观结构的微观结构

更多相关视频

Processing of Bulk Nanocrystalline Metals at the US Army Research Laboratory

Processing of Bulk Nanocrystalline Metals at the US Army Research Laboratory

Published on: March 7, 2018

Indirect Fabrication of Lattice Metals with Thin Sections Using Centrifugal Casting

Indirect Fabrication of Lattice Metals with Thin Sections Using Centrifugal Casting

Published on: May 14, 2016

相关概念视频

Mechanical Characteristics of Steel

Mechanical Characteristics of Steel

The mechanical characteristics of steel are assessed through various tests that evaluate its strength, toughness, and flexibility. These tests include tension, torsion, impact, bending, and hardness assessments, each providing crucial information about steel's suitability for specific applications.
The tension test is fundamental for determining tensile strength. In this test, a steel specimen is stretched using a gripping device until it breaks. The data collected during this test are used...

Metallic Solids

Metallic Solids

Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties.
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability....

Yield Criteria for Ductile Materials under Plane Stress

Yield Criteria for Ductile Materials under Plane Stress

In designing structural elements and machine parts using ductile materials, it is crucial to ensure that these components withstand applied stresses without yielding. Yielding is initially determined through a tensile test, which evaluates the material's response to uniaxial stress. However, tensile stress is insufficient when components face biaxial or plane stress conditions This condition requires advanced criteria to predict failure.
The Maximum Shearing Stress Criterion, also known as...