To ensure the product quality, reduce the costs and guarantee the engineering safety, it has very important practical significance to online monitor the defects of castings.
为保证产品质量、降低生产成本和确保工程安全，对落砂铸件进行缺陷在线检测具有非常重要的实际意义。
2
The present invention relates to material engineering technology, and is one laser-TIG welding method for magnesium alloy shapes and castings.
本发明属于本发明属于材料工程技术领域，涉及一种型材、铸件镁合金激光- TIG焊接方法。
3
Zinc can be used as a protective coating for iron and steel, and as a building or engineering material in the form of sheet zinc and zinc-alloy die-castings.