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| Hauptseite > Publikationsdatenbank > Determination of interface toughness of functionally graded tungsten/EUROFER multilayer at 550 °C by analytical and experimental methods > print |
| Hauptseite > Publikationsdatenbank > Determination of interface toughness of functionally graded tungsten/EUROFER multilayer at 550 °C by analytical and experimental methods > print |
| 001 | 860511 | ||
| 005 | 20240708132652.0 | ||
| 024 | 7 | _ | |a 10.1016/j.engfracmech.2018.09.016 |2 doi |
| 024 | 7 | _ | |a 0013-7944 |2 ISSN |
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| 100 | 1 | _ | |a Qu, D. |0 P:(DE-Juel1)174490 |b 0 |e Corresponding author |
| 245 | _ | _ | |a Determination of interface toughness of functionally graded tungsten/EUROFER multilayer at 550 °C by analytical and experimental methods |
| 260 | _ | _ | |a Kidlington |c 2018 |b Elsevier Science |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 520 | _ | _ | |a As armor coating, functionally graded (FG) tungsten/EUROFER multilayer was sprayed on EUROFER substrate for First Wall application in fusion field. Interface toughness between FG tungsten/EUROFER multilayer and EUROFER substrate was studied innovatively by a simple method based on the beam theory in this paper. To quantify interface toughness, the energy release rate was assessed by performing three and four-point bending tests on pre-cracked specimens at 550 °C and under high vacuum. The energy release rate during propagating of interfacial crack was determined to be 258 J/m2 and 225 J/m2 analytically and experimentally for samples with 3 and 5 layers as FG-layer, respectively, which were calculated based on multi bending tests. Cross-section and fracture microstructure show a vast of plasticity in FG-layer, particularly in FG-layer with a higher volume ratio of EUROFER. Interfacial fracture microstructure indicates interface adhesion consists of mechanical interlocking and metallurgical bonding. |
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| 773 | _ | _ | |a 10.1016/j.engfracmech.2018.09.016 |g Vol. 202, p. 487 - 499 |0 PERI:(DE-600)2012718-2 |p 487 - 499 |t Engineering fracture mechanics |v 202 |y 2018 |x 0013-7944 |
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