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Friction stir welding tool made of carbide tungsten carbide containing nickel and having an AL203 surface coating
Friction stir welding tool made of carbide tungsten carbide containing nickel and having an AL203 surface coating
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机译：由含有镍并具有AL203表面涂层的碳化钨制成的搅拌摩擦焊接工具
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摘要
The present invention relates to a friction stir welding tool (1) for welding of metallic plates and especially steel plates. The friction stir welding tool (1) is made of cemented carbide comprising WC grains in a binder phase and wherein said welding tool is at least partly coated with a surface coating comprising Al 2 O 3 .
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机译：本发明涉及一种用于搅拌金属板，尤其是钢板的摩擦搅拌焊接工具（1）。摩擦搅拌焊接工具（1）由包括处于粘结相中的WC晶粒的硬质合金制成，并且其中所述焊接工具至少部分地涂覆有包含Al 2 O 3的表面涂层。
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