In-situ investigation of tension-compression asymmetry of Ni-SiOC nanocomposites
Source abstract
Abstract
Ni-SiOC nanocomposites are synthesized through co-sputtering Ni and Si-O-C and then annealed at high temperature up to 800 °C to obtain two characteristic microstructures, core (crystalline Ni)-shell (amorphous ceramic SiOC) nanostructures and submicron-grained Ni containing amorphous ceramic SiOC particles. In-situ scanning electron microscope (SEM) compression tests show that both types of Ni-SiOC nanocomposites exhibit high strength and good plastic flow stability due to microstructure-promoted plastic co-deformation between amorphous ceramics and Ni grains. However, in-situ tension tests reveal that the core-shell nanostructures exhibit brittle fracture behaviour at a low strength due to cracking along amorphous cores, while the submicron-grained Ni can reach the similar strength to that of compression but a limited plasticity due to interface decohesion facilitated by deformation incompatibility between Ni and amorphous ceramic SiOC.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced ceramic materials synthesis · Aluminum Alloys Composites Properties · Microstructure and mechanical properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (35)
Show source-provided references
1. An overview of tailoring strain delocalization for strength-ductility synergy10.1016/j.pmatsci.2020.100675 ↗
2. Nanostructural metallic materials: structures and mechanical properties10.1016/j.mattod.2020.04.005 ↗
3. Ductility and plasticity of nanostructured metals: differences and issues10.1016/j.mtnano.2018.09.004 ↗
4. Mechanical properties of nanocrystalline materials10.1016/j.pmatsci.2005.08.003 ↗
5. Nanomechanics of Hall–Petch relationship in nanocrystalline materials10.1016/j.pmatsci.2009.03.008 ↗
6. Deformation of nanocrystalline materials by molecular-dynamics simulation: relationship to experiments10.1016/j.actamat.2004.08.045 ↗
7. Ultrastrong lightweight compositionally complex steels via dual-nanoprecipitation10.1126/sciadv.aba9543 ↗
8. Multicomponent intermetallic nanoparticles and superb mechanical behaviors of complex alloys10.1126/science.aas8815 ↗
9. Superior radiation tolerance via reversible disordering–ordering transition of coherent superlattices
10. Anatomy of nanomaterial deformation: grain boundary sliding, plasticity and cavitation in nanocrystalline Ni10.1016/j.actamat.2013.06.026 ↗
11. Plastic strain localization in metals: origins and consequences10.1016/j.pmatsci.2013.06.001 ↗
12. Strain hardening, strain rate sensitivity, and ductility of nanostructured metals10.1016/j.msea.2003.10.214 ↗
13. Softening of nanocrystalline metals at very small grain sizes10.1038/35328 ↗
14. Grain growth in nanocrystalline nickel films at low temperature and stress10.1016/j.scriptamat.2013.09.008 ↗
15. Stress-assisted grain growth in nanocrystalline metals: grain boundary mediated mechanisms and stabilization through alloying10.1016/j.actamat.2017.03.060 ↗
16. Evolution and microstructure of shear bands in nanostructured Fe10.1063/1.1501158 ↗
17. Instabilities and ductility of nanocrystalline and ultrafine-grained metals10.1016/S1359-6462(03)00396-8 ↗
18. Grain growth and collective migration of grain boundaries during plastic deformation of nanocrystalline materials10.1134/S1063783408070135 ↗
19. High strength and thermal stability of core-shell Fe-SiOC nanocolumnar composites10.1016/j.scriptamat.2022.114885 ↗
20. Thermal stability and grain boundary strengthening in ultrafine-grained CoCrFeNi high entropy alloy composite10.1016/j.matdes.2017.08.053 ↗
21. Grain boundary complexions10.1016/j.actamat.2013.07.037 ↗
22. An extraordinary-performance gradient nanostructured Hadfield manganese steel containing multi-phase nanocrystalline-amorphous core-shell surface layer by laser surface processing10.1016/j.jmst.2022.06.030 ↗
23. Ductile crystalline-amorphous nanolaminates10.1073/pnas.0702344104 ↗
24. Crystal–glass high-entropy nanocomposites with near theoretical compressive strength and large deformability10.1002/adma.202002619 ↗
25. Hierarchical nanostructured aluminum alloy with ultrahigh strength and large plasticity10.1038/s41467-019-13087-4 ↗
26. Enhancing strength and ductility via crystalline-amorphous nanoarchitectures in TiZr-based alloys10.1126/sciadv.abm2884 ↗
27. Amorphous–nanocrystalline alloys: fabrication, properties, and applications
28. Strength, plasticity, thermal stability and strain rate sensitivity of nanograined nickel with amorphous ceramic grain boundaries10.1016/j.actamat.2021.116918 ↗
29. Mechanical properties of electrodeposited amorphous/crystalline multilayer structures in the Fe-P system10.1016/j.msea.2017.12.090 ↗
30. On the origin of kinking in layered crystalline solids10.1016/j.mattod.2020.11.014 ↗
31. Unusual size dependent strengthening mechanisms of Cu/amorphous CuNb multilayers10.1016/j.actamat.2016.08.064 ↗
32. Plasticity in small-sized metallic systems: intrinsic versus extrinsic size effect10.1016/j.pmatsci.2011.01.005 ↗
33. Small-Scale Mechanical Testing10.1146/annurev-matsci-080819-123640 ↗
34. Ductility of an ultrastrong glass-crystal nano-dual-phase alloy in sub-micron10.1016/j.scriptamat.2020.03.002 ↗
35. Size-dependent brittle-to-ductile transition in silica glass nanofibers10.1021/acs.nanolett.5b03070 ↗