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Welding is a partial fast heating to a high temperature, and then rapid cooling process. Move as the heat source, the entire welding pieces of sharp changes in temperature over time and space, physical property parameters of materials also changed dramatically with temperature, latent heat of phase

The welding is a partial flash heat high temperature, and afterwards is fast the process which cools.Along with the heat source migration, the entire weldment temperature along with the time and the spatial rapid change, the material physics performance parameter also along with the temperature fier

Soldering is a partial fast heat up to high temperatures, and the subsequent rapid cooling process. As the heat source moves, the solder temperature decreases with time and space changed dramatically, the material of the physical performance parameters as well as the temperature changed dramatically

Welding is a partial fast heating to a high temperature, and then rapid cooling process. Move as the heat source, the entire welding pieces of sharp changes in temperature over time and space, physical property parameters of materials also changed dramatically with temperature, latent heat of phase