Influence of Diffusion Time on Steel-Aluminum Solid to Liquid Bonding Interracial Structure

材料科学技术（英文）, 2002, 18(5): 468-470.

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1.Department of Mechanical Engineering, Northern Jiaotong University, Beijing 100044, China

2.Department of Mechanical Engineering, Northern Jiaotong University, Beijing 100044, China

3.Department of Mechanical Engineering, Northern Jiaotong University, Beijing 100044, China

4.Department of Mechanical Engineering, Northern Jiaotong University, Beijing 100044, China

5.Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China

6.Metal Forming Department, Northeastern University, Shenyang 110004, China

7.Anshan Automobile Fittings Factory, Anshan 114014, China

基金项目: the Advanced Technical Committee of china(715-009-060)

Influence of Diffusion Time on Steel-Aluminum Solid to Liquid Bonding Interracial Structure

Keywords： Diffusion

The bonding of steel plate to aluminum liquid was conducted using rapid solidification. The influence of diffusiontime on interfacial structure was studied. The results showed that under the condition of 750℃ for the temperatureof aluminum liquid and 200℃ for the preheat temperature of steel plate, when diffusion time was shorter than 4.3 s,there was only Fe-Al solid solution at the interface. When diffusion time was longer than 4.3 s, Fe-Al compoundbegan to form at the interface. The relationships between diffusion time t and thickness of Fe-Al compound layer Hare H＝-9.72+2.62t-0.0St2 (4.3 s≤t≤15 s) and H＝2.T9+0.647t-0.033t2 (t＞15 s).

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Influence of Diffusion Time on Steel-Aluminum Solid to Liquid Bonding Interracial Structure

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