Refinement process and mechanisms of tungsten powder by high energy ball milling
Source abstract
Abstract
Abstract The grain refinement process and mechanisms of tungsten powder during ball milling are explored based on different ball milling time. From the results of scanning electron microscopy (SEM), the model for ball milling process is proposed to include four stages: welding stage, squeezing stage, fracturing stage and dynamic balance stage. Microstructure of tungsten powder examined by transmission electron microscopy (TEM) shows that the tungsten powder ball milled for 50 h has polycrystalline grains and most of them have long strip structure with high angle grain boundaries. Nanocrystalline tungsten powder with minimum grain size of 5 nm was obtained in the final stage of ball milling.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (35)
Show source-provided references
1. Development of ultra-fine grained W–(0.25–0.8) wt%TiC and its superior resistance to neutron and 3MeV He-ion irradiations10.1016/j.jnucmat.2008.02.055 ↗
2. Development of a helium-cooled divertor concept: design-related requirements on materials and fabrication technology10.1016/j.jnucmat.2004.04.137 ↗
3. Fabrication of a tantalum-clad tungsten target for KENS10.1016/S0022-3115(01)00533-5 ↗
4. R&D of a MW-class solid-target for a spallation neutron source10.1016/S0022-3115(03)00114-4 ↗
5. Superplasticity and high temperature deformation behaviour in nano grain tungsten compacts10.1002/mawe.200800301 ↗
6. Microstructures and recrystallization behavior of severely hot-deformed tungsten10.1016/j.msea.2008.03.051 ↗
7. Fabrication of high temperature oxides dispersion strengthened tungsten composites by spark plasma sintering process10.1016/j.ijrmhm.2009.03.003 ↗
8. Tungsten as material for plasma-facing components in fusion devices10.1016/j.jnucmat.2011.01.110 ↗
9. Development of tungsten armor and bonding to copper for plasma-interactive components10.1016/S0022-3115(98)00358-4 ↗
10. A study of plasma facing tungsten components with electrical discharge machined surface exposed to cyclic thermal loads10.1016/j.fusengdes.2016.01.001 ↗
11. Microstructure, hardness and toughness of nanostructure and conventional WC-Co composites10.1016/S0965-9773(98)00123-8 ↗
12. Nanocrystalline materials10.1016/0079-6425(89)90001-7 ↗
13. Strain-induced refinement and thermal stability of a nanocrystalline steel produced by surface mechanical attrition treatment10.1016/j.msea.2012.12.090 ↗
14. An investigation of surface nanocrystallization mechanism in Fe induced by surface mechanical attrition treatment10.1016/S1359-6454(02)00310-5 ↗
15. Nanostructured WC/Co composite powder prepared by high energy ball milling10.1016/j.scriptamat.2003.08.009 ↗
16. Preparation of W–Al alloys by mechanical alloying10.1016/S0925-8388(02)00760-0 ↗
17. Preparation of W–Al–Mo ternary alloys by mechanical alloying10.1016/j.jallcom.2006.05.019 ↗
18. Bulk tungsten with uniformly dispersed La2O3 nanoparticles sintered from Co-precipitated La2O3/W Nanoparticles10.1016/j.jnucmat.2012.11.017 ↗
19. Preparation of La2O3 doped ultra-fine W powders by hydrothermal-hydrogen reduction process10.1016/j.ijrmhm.2012.09.005 ↗
20. Synthesis of TiC/W core–shell nanoparticles by precipitate-coating process10.1016/j.jnucmat.2012.07.009 ↗
21. Synthesis of a nanocrystalline W–25wt% Re alloy by mechanical alloying10.1016/S0921-5093(98)00620-0 ↗
22. Influence of ball milling on powder characteristics and feedstock rheological behaviours of injection moulded ultrafine 98W–1Ni–1Fe
23. Nano grain formation in tungsten by severe plastic deformation-mechanical milling process10.2320/matertrans.ME200704 ↗
24. Effect of mechanical milling on the microstructure of tungsten under He+ irradiation condition10.1016/j.fusengdes.2015.08.006 ↗
25. Effect of tungsten content on microstructure and quasi-static tensile fracture characteristics of rapidly hot-extruded W–Ni–Fe Alloys10.1016/j.ijrmhm.2011.06.014 ↗
26. Deformation defects in nanocrystalline nickel10.1007/s10853-006-1229-7 ↗
27. Influence of TiN nanoparticles on the microstructure and properties of W matrix materials prepared by spark plasma sintering10.1016/j.jnucmat.2014.07.057 ↗
28. Effect of Sc2O3 particles on the microstructure and properties of tungsten alloy prepared by spark plasma sintering10.1016/j.jnucmat.2014.12.120 ↗
29. Effect of doped Lu2O3 on the microstructures and properties of tungsten alloy prepared by spark plasma sintering10.1016/j.jnucmat.2014.09.068 ↗
30. Microstructure and properties of W/Sm2O3 composites prepared spark plasma sintering10.1016/j.apt.2015.01.015 ↗
31. Current status of ultra-fine grained W–TiC development for use in irradiation environments10.1088/0031-8949/2007/T128/015 ↗
32. Fracture strength of spheroidal carbide particle10.1007/BF00018390 ↗
33. Surface energies and appearances of commonly exposed surfaces of scheelite crystal10.1016/S1003-6326(13)62710-7 ↗
34. What determines the interfacial configuration of Nb/Al2O3 and Nb/MgO interface10.1038/srep33931 ↗
35. Microstructure and flow stress of polycrystals and single crystals10.1016/S1359-6454(97)00365-0 ↗