新しい高温亀裂測定試驗 : Fisco Testについて

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The hot cracking tendency of a weld bead is obviously one of the most important features throoughly to known in practice. As a result, this topic has been pondered by a good many investigators. A fairly large number of substantially different tests resulted, unfortunately, none of the test methods known at present actually meets satisfactory requirements. Recently, however, FISCO test(1;> was reported by H. M. Schnadt has yielded excellent results, therefore, it is now expected to develop electrodes and check the manufacture in progress. This report is results of the fundamental test carried out with various electrodes, operators and welding conditions for the appreciation of this new test method. It was confirmed experimentally that the FISCO test possesses the following good number of advantages. (1) The results can easily be determined and expressed. (2) It is accurate and readily reproducible, and its results are independant of the operator. (3) It is highly sensitive and has a good severing power. (4) Its rigour may be varied at wish and continuously between 0 and a very elevated maximum value. (5) It suits all sorts of electrodes. (6) Any chamfer shape may be used. (7) It requires very little steel and every plate may be used several times. (8) It can be welded with all position. Thanks to these advantages, it allows hot crack sensitivity of electrodes to be determined easily, accurately and faithfully and is, as a result, actually well suited for the developement and selection of electrodes.
社団法人溶接学会の論文
1957-08-25

新しい高温亀裂測定試驗 : Fisco Testについて

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