Application of computational thermodynamics to the design of a Co-Ni-based γ'-strengthened superalloy [0.03%]
计算热力学在Co-Ni基γ'强化型超合金设计中的应用
Eric A Lass
Eric A Lass
A currently available commercial Calphad thermodynamic database was utilized to investigate its applicability to alloy design in the new class of Co-Ni-based γ'-strengthened high temperature alloys. A simple primary design criterion was ch...
Formation of the Ni3Nb δ-phase in stress-relieved Inconel 625 produced via laser powder-bed fusion additive manufacturing [0.03%]
激光粉末床熔化制备的镍基高温合金Inconel 625中Ni3Nb相的形成机制研究
Eric A Lass,Mark R Stoudt,Maureen E Williams et al.
Eric A Lass et al.
The microstructural evolution of laser powder-bed additively manufactured Inconel 625 during a post-build stress-relief anneal of 1 h at 1143 K (870 °C) is investigated. It is found that this industry-recommended heat treatment promotes th...
Effect of NaCl and Na2SO4 on Low Temperature Corrosion of Vapour- and Pack-Aluminide Coated Single Crystal Turbine Blade Alloys CMSX-4 and RR3010 [0.03%]
NaCl和Na2SO4对单晶CMSX-4合金和RR3010合金蒸汽和包装铝化膜的低温腐蚀的影响
J Tjandra,A Ranjan,A K Ackerman et al.
J Tjandra et al.
The current work presents a systematic study of two alloy compositions (RR3010 and CMSX-4) and two types of coatings: inward grown (pack) and outward grown (vapour) deposited aluminides, exposed to 98Na2SO4-2NaCl mixture. Grit blasting was ...
Nitrogen Effects in Additively Manufactured Martensitic Stainless Steels: Conventional Thermal Processing and Comparison with Wrought [0.03%]
氮对马氏体不锈钢增材制造的影响:常规热处理与锻造材料的比较研究
Eric A Lass,Fan Zhang,Carelyn E Campbell
Eric A Lass
The microstructures of additively manufactured (AM) precipitation-hardenable stainless steels 17-4 and 15-5 were investigated and compared to those of conventionally produced materials. The residual N found in N2-atomized 17-4 powder feedst...
G Lindwall,C E Campbell,E A Lass et al.
G Lindwall et al.
The ability to use common computational thermodynamic and kinetic tools to study the microstructure evolution in Inconel 625 (IN625) manufactured using the additive manufacturing (AM) technique of laser powder-bed fusion is evaluated. Solid...
Highly Ductile Zn-2Fe-WC Nanocomposite as Biodegradable Material [0.03%]
一种用作可降解材料的高延展性Zn-2Fe-WC纳米复合材料
Zeyi Guan,Chase S Linsley,Shuaihang Pan et al.
Zeyi Guan et al.
Zinc (Zn) has been widely investigated as a biodegradable metal for orthopedic implants and vascular stents due to its ideal corrosion in vivo and biocompatibility. However, pure Zn lacks adequate mechanical properties for load-bearing appl...
W J Boettinger,D E Newbury,N W M Ritchie et al.
W J Boettinger et al.
Differential thermal analysis (DTA) and microstructural and microprobe measurements of DTA and as-cast Ni-Re alloys with compositions between 0.20 and 0.44 mass fraction Re provide information to resolve differences in previously published ...
The Influence of Annealing Temperature and Time on the Formation of δ-Phase in Additively-Manufactured Inconel 625 [0.03%]
固溶处理温度及时间对激光近净成形镍基合金γ′相析出行为的影响机制研究
M R Stoudt,E A Lass,D S Ng et al.
M R Stoudt et al.
This research evaluated the kinetics of δ-phase growth in laser powder bed additively-manufactured (AM) Inconel 625 during post-build stress-relief heat treatments. The temperatures ranged between 650°C and 1050°C, and the times from 0.2...