The PD Center of Central Research Institute of Electric Power Industry (CRIEPI) commenced Per formance Demonstration examinations for flaw depth sizing of austenitic stainless steel pipes n March 2006. At the end of FY 2013, 40 examination sessions have been completed and 49 cand ates have passed the examination. The total number of tests administered including re-tests and re-certification was 95. It was noted that the final call for the crack length (PD examin ation answer) was adopted the phased array m...
英字タイトル:
Implementation status for eight years after the start of PD qualification examination in Japan

The PD Center of Central Research Institute of Electric Power Industry (CRIEPI) commenced Performance Demonstration examina tions for flaw depth sizing of austenitic stainless steel pipes in March 2006. As of February, 2011, 29 examination courses have been completed and 38 out of 49 candidates passed the examination including recertification test. The average error mar gin of the successful applicant of the PD examination to the eleventh stage was 0.31 mm, and standard deviation was 1:9 mm....
英字タイトル:
Report on Performance Demonstration test for depth sizing of SCC in austenitic stainless steel pipes during five years

The PD Center of Central Research Institute of Electric Power Industry (CRIEPI) commenced Performance Demonstration examin ations for flaw depth sizing of austenitic stainless steel pipes in March 2006As of January, 2012, 34examination courses h ave been completed and 37out of 47candidates passed the examination including recertification test. The average error marg in of the successful applicant of the PD examination to the eleventh stage was 0.32mm, and standard deviation was 1.93mm....
英字タイトル:
Report on Performance Demonstration for depth sizing of SCC in austenitic stainless steel pipes

The PD Center of Central Research Institute of Electric Power Industry (CRIEPI) commenced Performance Demonstration examinations for flaw depth sizing of austenitic stainless steel pipes in March 2006. As of January 2013, 37 examination sessions have been completed and 44 candidates have passed the examination. The total number of tests administered including re-tests and re-certification was 89. It was noted that depth sizing using a phased array plus the manual UT technique was the procedure most use...
英字タイトル:
Report on Japanese Performance Demonstration examinations For depth sizing of SCC in austenitic stainless steel pipes

The PD Center of Central Research Institute of Electric Power Industry (CRIEPI) commenced Performance Demonstration examinations for flaw depth sizing of austenitic stainless steel pipes in March 2006. At the end of FY 2014, 42 examination sessions have been completed and 53 candidates have passed the examination. The total number of tests administered including re-tests and re-certification was 99. Passed candidates can perform depth sizing of IGSCC flaws with a high level of accuracy. For the final d...
英字タイトル:
Current status for nine years after the start of PD qualification examination in Japan

The PD Center at the Central Research Institute of Electric Power Industry (CRIE PI) commenced Performance Demonstration examinations for flaw depth sizing of au stenitic stainless steel pipes in March 2006. As of April, 2009, 23 examination courses have been completed and 27 out of 38 candidates passed the examination....
英字タイトル:
Report on Performance Demonstration for depth sizing of austenitic stainless steel pipes

The PD Center at the Central Research Institute of Electric Power Industry (CRIEPI) commenced Performance Demonstra tion examinations for flaw depth sizing of austenitic stainless steel pipes in March 2006. As of April, 2008, 18 ex amination courses have been completed and 22 out of 36 candidates passed the examination. Many candidates failed th e PD examination due to a failure to distinguish between crack tip echo and echo from weld to base-metal interface....
英字タイトル:
Report on Performance Demonstration for depth sizing of austenitic stainless steel pipes

The PD Center at the Central Research Institute of Electric Power Industry (CRIEPI) commenced Performance Demonstrat ion examinations for flaw depth sizing of austenitic stainless steel pipes in March 2006. As of April, 2010, 26 exam ination courses have been completed and 31 out of 43 candidates passed the examination. The average error margin of the successful applicant of the PD examination to the seventh stage was 0.17 mm, and standard deviation was 2.0 mm....
英字タイトル:
Report on Performance Demonstration for depth sizing of SCC flow in austenitic stainless steel pipes

The Japanese PD qualification examination for SCC through wall depth sizing started in March, 2006, and was operated by PD Center of Central Research Institute of Electric Power Industry (CRIEPI). As of March 31, 2009, 23 examination courses have finished and 27 out of 38 candidates passed the examination. The total number of test including retest was 63. Increase in the examination pass rate of retest personnel indicates improvements in the depth sizing technique through PD qualification examination...
英字タイトル:
Evaluation of SCC Depth Sizing Candidate and Performance

In Japan, the 1st Performance Demonstration (PD) qualification examination started in March of 2006 and was operated by the Performance Demonstration (PD) center of Central Research Institute of Electric Power Industry (CRIEPI). The first application of Japanese PD system is crack depth sizing on stainless steel piping welds. PD center is planning to start weld overlay (WOL) PD examination as a second step, and dissimilar weld (DMW) PD examination as third step. In particular, WOL PD examination includ...
英字タイトル:
The examination system for Japanese WOL and DMW PD qualification test 東海林 一 Hajime SHOHJI