发明名称 |
METHOD FOR CHECKING A WELD BETWEEN TWO METAL PIPELINES |
摘要 |
<p>A method for checking a weld (1) between a first metal pipeline (2) and a second metal pipeline (4), in particular an austenitic weld, the method comprising at least the following method steps: (a) a first ultrasonic beam (30) is transmitted to an interface (26) between the weld and the first pipeline situated on a first side (28) of the weld; (b) a reflection of the first ultrasonic beam (30) on the interface (26) situated on the first side (28) of the weld is received and a first received signal corresponding thereto is generated; (c) a second ultrasonic beam (40) different from the first ultrasonic beam (30) is transmitted to the interface (26) situated on the first side (28) of the weld; (d) a reflection of the second ultrasonic beam (40) on the interface (26) situated on the first side (28) of the weld is received and a second received signal corresponding thereto is generated; (e) the first received signal and the second received signal are processed in combination for checking the weld (1).</p> |
申请公布号 |
WO2005045418(A1) |
申请公布日期 |
2005.05.19 |
申请号 |
WO2004NL00784 |
申请日期 |
2004.11.08 |
申请人 |
ROENTGEN TECHNISCHE DIENST B.V.;VAN DER ENT, JAN |
发明人 |
VAN DER ENT, JAN |
分类号 |
G01N29/04;G01N29/24;G01N29/34;(IPC1-7):G01N29/04 |
主分类号 |
G01N29/04 |
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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