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The requirements of welded components are rising continuously through increasing demands in engineering. But in engineering not only the quality of welds is important also an economic and timesaving production is crucial. Especially in welding of large cross sections economization potential is existing and significant. Beside the welding technique itself the joint preparation is a major part of work. Electron beam welding has some major advantages in this area. Due the high energy density a very short welding time as well as a small heat affected zone can be achieved. Furthermore the joint preparation can be held simple. Nevertheless, a careful machining and cleaning of the joint surfaces is recommended in literature. In addition to geometric tolerances a specific surface roughness should be kept. These statements are quite general and unspecific. In this contribution a systematic investigation on the influence of joint preparation on the joint properties is presented. By performing several welding experiments with different surface roughness this study provides empirical conclusions. Beside the microscopic investigation of different cross sections and mechanical tests of the welded samples also the process stability during welding was reviewed.
|Number of pages||1|
|Journal||IOP Conference Series: Materials Science and Engineering|
|Publication status||Published - 2016|
|Event||International Conference on Materials, Processing and Production Engineering 2015: MPPE 2015 - Leoben, Austria|
Duration: 3 Nov 2015 → 5 Nov 2015
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- 1 Finished
1/07/13 → 30/06/16
Project: Research project