结果表明 ，轮毂在径向冲击检测时开裂的主要原因是镁含量偏高 ，以及热处理加热温度高造成组织过热所致。
The results show that the wheel hub cracking during radial impact testing was caused by excessive content of magnesium in the alloy as well as the overheating of the alloy during the solution process.
结果表明 ，轮毂在径向冲击检测时开裂的主要原因是镁含量偏高 ，以及热处理加热温度高造成组织过热所致。
The results show that the wheel hub cracking during radial impact testing was caused by excessive content of magnesium in the alloy as well as the overheating of the alloy during the solution process.
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