The influence of powder characteristics on densification behavior and microstructure evolution of W-Cr-Zr alloy consolidated by field-assisted sintering technology
Source abstract
Abstract
In the present study, the influence of powder characteristics on the densification behavior and microstructure evolution of the W-Cr-Zr alloy during consolidation was investigated. The W-Cr-Zr alloy powders were prepared through mechanical alloying in different modes, i.e. continuous mechanical alloying (CMA) and intermittently mechanical alloying (IMA). It can be found that the IMA powders have a higher grain boundary density and homogenous microstructure, which exhibits a better sintering performance than the CMA powders. The IMA powders are capable of full densification and homogenization after sintering at low temperature (1395 °C), with the grain size approaching 284 nm. Through the characterization of antioxidant properties, it was confirmed that the alloy prepared using IMA powders has an excellent anti-oxidation performance.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (46)
Show source-provided references
1. In situ oxide dispersion strengthened tungsten alloys with high compressive strength and high strain-to-failure [J]10.1016/j.actamat.2016.09.034 ↗
2. Oxidation resistance behavior of smart W-Si bulk composites [J]10.1016/j.corsci.2019.108222 ↗
3. Self passivating W-based alloys as plasma-facing material [J]10.1016/j.jnucmat.2008.12.179 ↗
4. Oxidation behaviour of silicon-free tungsten alloys for use as the first wall material [J]10.1088/0031-8949/2011/T145/014019 ↗
5. New oxidation resistant tungsten alloys for use in the nuclear fusion reactors [J]10.1088/1402-4896/aa81f5 ↗
6. The influence of heating rate on W-Cr-Zr alloy densification process and microstructure evolution during spark plasma sintering [J]10.1016/j.powtec.2020.05.020 ↗
7. Influence of the applied pressure on the microstructure evolution of W-Cr-Y-Zr alloys during the FAST process [J]10.1016/j.fusengdes.2021.112474 ↗
8. Microstructure, oxidation behaviour and thermal shock resistance of self-passivating W-Cr-Y-Zr alloys [J]
9. Microstructure and phase stability of W-Cr alloy prepared by spark plasma sintering [J]10.1016/j.fusengdes.2018.01.012 ↗
10. High temperature microstructural stability of self-passivating W-Cr-Y alloys for blanket first wall application [J]10.1016/j.fusengdes.2019.02.136 ↗
11. Localized pore evolution assisted densification during spark plasma sintering of nanocrystalline W-5wt.%Mo alloy [J]10.1016/j.scriptamat.2018.09.013 ↗
12. Effect of electric current on densification behavior of conductive ceramic powders consolidated by spark plasma sintering [J]10.1016/j.actamat.2017.11.010 ↗
13. On grain growth and phase precipitation behaviors during W-Cr-Zr alloy densification using field-assisted sintering technology [J]10.1016/j.ijrmhm.2021.105552 ↗
14. Effects of BN layer on photoelectric properties and stability of flexible Al/cu/ZnO multilayer thin film [J]10.1016/j.ceramint.2020.02.272 ↗
15. Characteristics of microstructure evolution during the FAST joining of the laminated tungsten composite [J]10.3390/met11060886 ↗
16. Simulation f temperature and stress distributions in functionally graded materials synthesized by a spark plasma sintering process [J]10.1016/j.commatsci.2012.03.024 ↗
17. FEM analysis of the temperature and stress distribution in spark plasma sintering: modelling and experimental validation [J]10.1016/j.commatsci.2010.05.021 ↗
18. Finite-element modeling of the electro-thermal contacts in the spark plasma sintering process [J]10.1016/j.jeurceramsoc.2015.10.033 ↗
19. Contact resistances in spark plasma sintering: from in-situ and ex-situ determinations to an extended model for the scale up of the process [J]10.1016/j.jeurceramsoc.2016.12.010 ↗
20. Suppressing pore-boundary separation during spark plasma sintering of tungsten [J]10.1016/j.jnucmat.2013.03.042 ↗
21. Densification mechanism involved during spark plasma sintering of a codoped α-alumina material: part I. formal sintering analysis [J]10.1557/JMR.2009.0025 ↗
22. Non-uniform microstructure evolution in transparent alumina during dwell stage of high-pressure spark plasma sintering [J]10.1016/j.actamat.2020.08.036 ↗
23. The Cr−W (chromium−tungsten) system [J]10.1007/BF02868555 ↗
24. Dislocation densities in some annealed and cold-worked metals from measurements on the X-ray debye-scherrer spectrum [J]10.1080/14786435608238074 ↗
25. The ball to powder ratio (BPR) dependent morphology and microstructure of tungsten powder refined by ball milling [J]10.1016/j.powtec.2018.07.094 ↗
26. Effect of aspect ratio on the compaction characteristics and micromorphology of copper powders by magnetic pulse compaction [J]10.1016/j.apt.2020.09.010 ↗
27. An X-ray microtomography study of particle morphology and the packing behaviour of metal powders during filling, compaction and ball indentation processes [J]10.1016/j.powtec.2021.02.069 ↗
28. Coarsening, densification, and grain growth during sintering of nano-sized powders—a perspective [J]10.1016/j.ijrmhm.2016.09.004 ↗
29. Microstructure and cyclic oxidation behavior of W–Cr alloys prepared by sintering of mechanically alloyed nanocrystalline powders [J]10.1016/j.ijrmhm.2012.08.015 ↗
30. Phase relations in the systems Cr2O3-WO3 and Fe2O3-WO3 [J]10.1111/j.1151-2916.1978.tb09339.x ↗
31. Cr2WO6, a new Trirutile compound [J]10.1111/j.1151-2916.1960.tb13705.x ↗
32. The vapour pressure of tungsten trioxide [J]10.1002/recl.19590780605 ↗
33. An oxidation mechanism map for tungsten [J]10.1016/j.scriptamat.2021.114373 ↗
34. Sintering densification behavior and kinetic mechanism of nano-tungsten powder prepared by sol-spray drying [J]10.1007/s42864-020-00069-z ↗
35. On joule heating during spark plasma sintering of metal powders [J]10.1016/j.scriptamat.2014.09.003 ↗
36. Direct current-enhanced densification kinetics during spark plasma sintering of tungsten powder [J]10.1016/j.scriptamat.2017.09.009 ↗
37. Kang · 2005
38. A first report on sintering diagrams [J]10.1016/0001-6160(74)90167-9 ↗
39. Accelerated sintering in phase-separating nanostructured alloys [J]10.1038/ncomms7858 ↗
40. Heitjans · 2006
41. Design of stable nanocrystalline alloys [J]10.1126/science.1224737 ↗
42. Spark plasma sintering of pure tungsten powder: densification kinetics and grain growth [J]10.1016/j.powtec.2017.01.050 ↗
43. Spark plasma sintering of a commercially available granulated zirconia powder: comparison with hot-pressing [J]10.1016/j.actamat.2010.02.013 ↗
44. Sintering dense nanocrystalline ceramics without final-stage grain growth [J]10.1038/35004548 ↗
45. The microstructure and property variations of metals induced by electric current treatment: a review [J]10.1016/j.matchar.2018.08.058 ↗
46. Current-driving dissolution of nanoscale brittle precipitates produced by spinodal decomposition in FeCrAl alloys [J]10.1016/j.jallcom.2019.07.043 ↗