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000032875 084__ $$2WoS$$aNuclear Science & Technology
000032875 1001_ $$0P:(DE-Juel1)VDB5612$$aPintsuk, G.$$b0$$uFZJ
000032875 245__ $$aDevelopment of W/Cu-Functionally Graded Materials
000032875 260__ $$aNew York, NY [u.a.]$$bElsevier$$c2003
000032875 300__ $$a237 - 240
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000032875 440_0 $$02169$$aFusion Engineering and Design$$v66-68$$x0920-3796
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000032875 520__ $$aPlasma facing components (PFCs) consist of a plasma facing and a heat sink material. These have to fulfil different functions that require different material properties, for example the coefficient of thermal expansion (CTE) of tungsten and copper. Joining of these materials (e.g. by brazing or HIPing) results in the formation of thermal-induced stresses at the interface. Functionally graded materials (FGMs), used as an interlayer, reduce these thermally induced stresses. Two different methods, laser sintering and plasma spraying, have been investigated as a means to produce W/Cu FGMs to be used in PFCs of next step confinement experiments. In addition to mixtures of tungsten and copper powders, 40 wt.% Cu-coated W powder was used to produce W/Cu composites with a content of either 25 or 60 vol.% Cu. The composite microstructure has been analyzed according to Cu content, particle distribution and layer structure. The difference in the behavior of powder mixtures and coated powder is outlined. A comparison of plasma sprayed to commercially produced Cu-infiltrated W samples is made and the results of thermomechanical and thermophysical testing are discussed with respect to different microstructures. (C) 2003 Elsevier Science B.V. All rights reserved.
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000032875 65320 $$2Author$$atungsten
000032875 65320 $$2Author$$acopper
000032875 65320 $$2Author$$aFGM
000032875 65320 $$2Author$$alaser sintering
000032875 65320 $$2Author$$aplasma spraying
000032875 7001_ $$0P:(DE-Juel1)VDB190$$aBrünings, S. E.$$b1$$uFZJ
000032875 7001_ $$0P:(DE-Juel1)VDB3365$$aDöring, J.-E.$$b2$$uFZJ
000032875 7001_ $$0P:(DE-Juel1)VDB2728$$aLinke, J.$$b3$$uFZJ
000032875 7001_ $$0P:(DE-Juel1)VDB2789$$aSmid, I.$$b4$$uFZJ
000032875 7001_ $$0P:(DE-HGF)0$$aXue, L.$$b5
000032875 773__ $$0PERI:(DE-600)1492280-0$$a10.1016/S0920-3796(03)00220-5$$gVol. 66-68, p. 237 - 240$$p237 - 240$$q66-68<237 - 240$$tFusion engineering and design$$v66-68$$x0920-3796$$y2003
000032875 8567_ $$uhttp://dx.doi.org/10.1016/S0920-3796(03)00220-5
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