bad weld

基本解釋

After being heated the alloy's plasticity becomes bad, easy brittleness, not to be easy to weld.
被加熱后，合金的塑性變差，易脆性大，不容易焊接。
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The welding deformation not only have bad effect on the good appearance, but also can result in all kinds of weld cracks.
焊接變形不但影響美觀，還可能會引發(fā)各種焊接裂紋。
Aluminium alloy's weld adapability is relatively bad, and easy to appear crack and air vent etc. in welding. The reasons are theoretically analyzed.
鋁合金的可焊接性較差，熔焊時易產(chǎn)生裂紋和氣孔等缺陷，理論分析了缺陷產(chǎn)生的原因。