| Paper: | idn050 |
| Name: | S. Liu |
| Company: | Tsinghua University NDT Group, Mechanical Eng. Dept. |
| Address: | Haidian District 100084 Beijing |
| Country: | P. R. China |
| Phone: | +86 10 6278 5716 |
| Fax: | +86 10 6420 7242 |
| Email: | shifengl@me.tsinghua.edu.cn |
| NDT.net | |15th WCNDT CD-ROM| |