| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a pickling method assuring that a contaminated layer is dissolved internally and externally at the same time and chemical dissolution be evenly performed. <P>SOLUTION: The inside and outside of the hollow part having the shape of the body of rotation such as a turbine wheel made of a titanium alloy in particular are pickled. The part 19 is installed in the horizontal direction relatively to the rotating shaft of the part, partly immersed in a container 59 filled with a pickling composition and rotationally driven around the rotating axis x'x of the part. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
