发明名称 |
MEASURING METHOD SURFACE CLEAN DEGREE OF IRON MATERIAL |
摘要 |
The degree of cleanliness of metallic material is measured by surface tension (wettability) being indicated from electro balance consisting of differential transformer, amplifier and galvanometer when dipping sample material into the solution (for example distilled water) in a regular rate and depth and pulling up after holding for a limited time.
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申请公布号 |
KR900005335(B1) |
申请公布日期 |
1990.07.27 |
申请号 |
KR19870015119 |
申请日期 |
1987.12.28 |
申请人 |
POHANG IRON & STEEL CO., LTD.;KOREA INDUSTRIAL TECHNOLOGY INSTITUTE |
发明人 |
KIM HYUNG-JUN;CHIN YOUNG-SUL |
分类号 |
G01N33/20;(IPC1-7):G01N33/20 |
主分类号 |
G01N33/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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