热喷涂铝涂层与镁合金基体结合强度的研究

孟模; 张治民; 徐宏妍

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热喷涂铝涂层与镁合金基体结合强度的研究

更新时间：2026-09-14

- 热喷涂铝涂层与镁合金基体结合强度的研究
- 热喷涂铝涂层与镁合金基体结合强度的研究
- Issue 3, (2011)
- 作者机构：
  
  1. 中北大学材料科学与工程学院
  2. 山西省精密成形工程研究中心
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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孟模, 张治民, 徐宏妍. 热喷涂铝涂层与镁合金基体结合强度的研究[J]. 2011, (3).
DOI：

孟模, 张治民, 徐宏妍. 热喷涂铝涂层与镁合金基体结合强度的研究[J]. 2011, (3). DOI：

摘要

运用Mg合金表面热喷涂纯Al提高镁耐蚀性能的方法

研究了热喷涂方式、挤压温度、挤压比等3种因素对防腐Al涂层在Mg基体上结合强度的影响.用拉伸试验机、光学显微镜

对实验试样进行性能测试和形貌观察.研究结果表明:在400℃挤压时

在Al涂层和Mg基体之间有新相生成;在370℃挤压时

随着变形程度的增加

Al涂层和Mg基体的结合强度先降低后升高;相比电弧喷涂

火焰喷涂获得高致密度的Al涂层

且Al涂层与Mg基体的结合强度更高.

Abstract

The aluminum layer was used on the surface of magnesium alloy to improve the corrosion resistance.The aim was to determine the tensile bond strength of thermal-sprayed layers.The thermal spray technology

deformation temperature and deformation degree were taken into account as the influence of the bond strength.Tensile testing machine and optical microscope were carried out to investigate the performance test and morphology.A new phase was found between the coating and substrate when deformation took place at 400 ℃;at 370 ℃

the bond strength of thermal-sprayed layers to magnesium alloy substrate decreased at first and increased later with the increase of deformation degree;compared with the arc spraying

the flame spraying obtains the greater density and the greater bond strength of thermal-sprayed layers.

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