Apr. 2020

Article Contents

Chinese Optics> 2020> 13(2): 313-322.

LI Yan-qing, FAN Hai-qi, ZHU Kui-ming, LIU Shuang-yu. Enhanced bonding strength between stainless steel and plastic by using laser scanning array structure[J]. Chinese Optics, 2020, 13(2): 313-322. doi: 10.3788/CO.20201302.0313

Citation:

LI Yan-qing, FAN Hai-qi, ZHU Kui-ming, LIU Shuang-yu. Enhanced bonding strength between stainless steel and plastic by using laser scanning array structure[J].Chinese Optics, 2020, 13(2): 313-322.doi:10.3788/CO.20201302.0313

Citation:

LI Yan-qing, FAN Hai-qi, ZHU Kui-ming, LIU Shuang-yu. Enhanced bonding strength between stainless steel and plastic by using laser scanning array structure[J].Chinese Optics, 2020, 13(2): 313-322.doi:10.3788/CO.20201302.0313

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Enhanced bonding strength between stainless steel and plastic by using laser scanning array structure

doi:10.3788/CO.20201302.0313

1.
College of Mechanical and Electric Engineering, Changchun University of Science and Technology, Changchun 130022, China
2.
College of Mechanical Engineering, Yancheng Institute of Technology, Yancheng 224051, China

Funds:

National Natural Science Foundation of China51305044

More Information

Corresponding author:LIU Shuang-yu, E-mail:liushuangyu@cust.edu.cn
Received Date:03 Jan 2020
Rev Recd Date:07 Feb 2020
Publish Date:01 Apr 2020

Abstract

Abstract

In this paper, the surface of stainless steel is treated with a fiber laser to prepare a circular array structure to enhance the bonding strength between stainless steel and plastic. The stainless steel is connected to the plastic under heat and pressure. In order to obtain the expected bonding strength of stainless steel and plastic, the effects of the circular array structure's parameters and bonding parameters on bonding strength are investigated. The results show that when the heating temperature is 400℃, the shear force of stainless steel and plastic bond is the strongest. When the pressure is 75 kN, the shear force of stainless steel and plastic bond is at its strongest. The height, quantity and coverage of burrs on the metal surface after laser treatment have an important effect on the bonding strength between stainless steel and plastics. When the proportion of burr number T _mvalue is less than 14.82%, the stainless steel and plastic fractured at the bond's surface and the shear force increases with the increase of T _m. When the T _mvalue is greater than 14.82%, the stainless steel and plastic fractured at the plastic, and the strength of the shear force fluctuates around the average tensile fracture force of 950 N. The coverage of the laser processing area has an impact on the connection strength, 38.5% is the minimum coverage of stainless steel and plastics when they fracture at the plastic, which then has shear force of 900 N.
- laser processing,
- scanning configuration,
- array structure,
- shear force

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References (22)

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