采用与模拟一致的工艺参数对铝合金板材分别进行点焊实验，制取接头低倍金相照片，并测量熔核直径和焊透率。
Do spot welding experiments to aluminum alloy plate in the same condition of simulation, prepare low magnification metallographic photos of joint, and measure nugget diameter and penetration rate.
采用与模拟一致的工艺参数对铝合金板材分别进行点焊实验，制取接头低倍金相照片，并测量熔核直径和焊透率。
Do spot welding experiments to aluminum alloy plate in the same condition of simulation, prepare low magnification metallographic photos of joint, and measure nugget diameter and penetration rate.
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