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Updated: Jan 26, 2026

Generating Lap Joints Via Friction Stir Spot Welding on DP780 Steel
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Optimization of Friction Welding Process Parameters for 42Cr9Si2 Hollow Head and Sodium Filled Engine Valve and Valve

Fuqiang Lai1,2, Shengguan Qu3, Roger Lewis4

  • 1Guangdong Key Laboratory for Advanced Metallic Materials Processing, School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou 510640, Guangdong, China. lfq0623@163.com.

Materials (Basel, Switzerland)
|April 10, 2019
PubMed

Keywords:
fatigue propertyhollow head engine valveinertia friction weldingmanufacturing methodwear property

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