Microstructural Control of Zn Alloy by Melt Spinning - A Novel Approach Towards Fabrication of Advanced Biodegradable Biomedical Materials [0.03%]
熔体急冷控制锌合金微观组织的新方法及其在可降解医用合金方面的应用研究
Shebeer A Rahim,Joseph Tomei,Joseph Licavoli et al.
Shebeer A Rahim et al.
Biodegradable metallic stents that dissolve over time are essential for treating vascular artery disease. Previous designs made from polymers and magnesium have not achieved the required mechanical properties and degradation patterns. Here,...
Side-grooved Charpy impact testing: Assessment of splitting and fracture properties of high-toughness plate steels [0.03%]
侧边加工夏比冲击试验评估高韧性钢板的裂纹扩展和断裂性能
F Di Gioacchino,E Lucon,E B Mitchell et al.
F Di Gioacchino et al.
The fracture properties and susceptibility to crack-divider delamination (or splitting) of three commercially produced high-toughness X70 pipeline steels are evaluated with Charpy impact test samples modified to incorporate side grooves. Te...
Grain boundary sliding and non-constancy strain during stress relaxation of pure Mg [0.03%]
纯镁在应力松弛过程中晶界滑动和非定常应变行为的研究
Anand Varma,Aditya Gokhale,Hariharan Krishnaswamy et al.
Anand Varma et al.
Stress relaxation during plastic deformation has been reported to improve ductility of metallic materials. In this study, the stress relaxation behaviour in pure magnesium is investigated during interrupted uniaxial tensile tests. During in...
Ambient- and elevated temperature properties of Sc- and Zr-modified Al-6Ni alloys strengthened by Al3Ni microfibers and Al3(Sc, Zr) nanoprecipitates [0.03%]
通过Al3Ni微丝和Al3(Sc,Zr)纳米沉淀物强化的改性铝6镍合金在环境温度和高温下的性能研究
C Suwanpreecha,J U Rakhmonov,S Chankitmunkong et al.
C Suwanpreecha et al.
The eutectic Al-6Ni (wt.%) alloy exhibits excellent strength at ambient and elevated temperature, provided by a high volume fraction of Al3Ni microfibers formed during solidification. Here, Al-6Ni is micro-alloyed with Sc and Zr (with 0.1Sc...
Comparing evolution of precipitates and strength upon aging of cast and laser-remelted Al-8Ce-0.2Sc-0.1Zr (wt.%) [0.03%]
铸造态和激光重熔Al-8Ce-0.2Sc-0.1Zr (质量%)在时效过程中沉淀相演变及强度变化的比较
Jovid U Rakhmonov,David Weiss,David C Dunand
Jovid U Rakhmonov
The microstructural evolutions, upon solidification and subsequent aging, and associated hardening effects for both cast and laser-surface-remelted Al-8Ce-0.2Sc-0.1Zr (wt.%) hypo-eutectic alloy are investigated with focus on precipitation a...
Intercritical annealing to achieve a positive strain-rate sensitivity of mechanical properties and suppression of macroscopic plastic instabilities in multi-phase medium-Mn steels [0.03%]
中锰钢多相组织性能的正应变率敏感度与宏观塑性失稳抑制机制研究
J T Benzing,W E Luecke,S P Mates et al.
J T Benzing et al.
This study investigates the high strain-rate tensile properties of a cold-rolled medium-Mn steel (Fe-12Mn-3Al-0.05C % in mass fraction) designed to have a multi-phase microstructure and positive strain-rate sensitivity. At the intercritical...
Mechanical properties of additively manufactured variable lattice structures of Ti6Al4V [0.03%]
选择性激光熔化成型Ti6Al4V变胞结构的力学性能研究
Kellen D Traxel,Cory Groden,Jesus Valladares et al.
Kellen D Traxel et al.
Engineered micro- and macro-structures via additive manufacturing (AM) or 3D-Printing can create structurally varying properties in part, which is difficult via traditional manufacturing methods. Herein we have utilized powder bed fusion-ba...
The effects of alloying with Cu and Mn and thermal treatments on the mechanical instability of Zn-0.05Mg alloy [0.03%]
合金Cu和Mn以及热处理对Zn-0.05Mg合金力学不稳定的影响
Morteza Shaker Ardakani,Ehsan Mostaed,Malgorzata Sikora-Jasinska et al.
Morteza Shaker Ardakani et al.
The detrimental effect of natural aging on mechanical properties of zinc alloys restricts their application as bioresorbable medical implants. In this study, aging of Zn-0.05Mg alloy and the effect of 0.5 Cu and 0.1 Mn (in weight percent) a...
Grain size-dependent crystal plasticity constitutive model for polycrystal materials [0.03%]
晶粒尺寸依赖的多晶体材料晶体塑性本构模型
Masoud Ghorbani Moghaddam,Ajit Achuthan,Brett A Bednarcyk et al.
Masoud Ghorbani Moghaddam et al.
Consideration of a core and mantle configuration for individual grains is a prominent method to capture the grain size-dependence in the constitutive models for polycrystal material. The mantle represents a region of the grain volume near t...
Microstructure and Creep Properties of Boron- and Zirconium-Containing Cobalt-based Superalloys [0.03%]
含硼和锆的钴基超级合金的微观组织与蠕变性能研究
Peter J Bocchini,Chantal K Sudbrack,Ronald D Noebe et al.
Peter J Bocchini et al.
The effects of micro-additions of boron and zirconium on grain-boundary (GB) structure and strength in polycrystalline γ(f.c.c.) plus γ'(L12) strengthened Co-9.5Al-7.5W-X at. % alloys (X = 0-Temary, 0.05B, 0.01B, 0.05Zr, and 0.005B-0.05Zr...