scholarly journals Study of process/structure/property relationships in probeless friction stir spot welded AA2198 Al-Li alloy

2017 ◽  
Vol 61 (2) ◽  
pp. 291-298 ◽  
Author(s):  
Q. Chu ◽  
W. Y. Li ◽  
X. W. Yang ◽  
J. J. Shen ◽  
Y. B. Li ◽  
...  
Keyword(s):  
Structure Property ◽  
Friction Stir ◽  
Structure Property Relationships ◽  
Process Structure ◽  
Spot Welded

Structure–property relationships and residual stress quantification of a friction stir spot welded magnesium alloy

2012 ◽  
Vol 66 (10) ◽  
pp. 797-800 ◽  
Author(s):  
K.N. Solanki ◽  
J.B. Jordon ◽  
W. Whittington ◽  
H. Rao ◽  
C.R. Hubbard
Keyword(s):  
Residual Stress ◽  
Magnesium Alloy ◽  
Structure Property ◽  
Friction Stir ◽  
Structure Property Relationships ◽  
Spot Welded

scholarly journals Fused Filament Fabrication of PEEK: A Review of Process-Structure-Property Relationships

Polymers ◽  
2020 ◽  
Vol 12 (8) ◽  
pp. 1665 ◽  
Author(s):  
Ali Reza Zanjanijam ◽  
Ian Major ◽  
John G. Lyons ◽  
Ugo Lafont ◽  
Declan M. Devine
Keyword(s):  
High Performance ◽  
Space Station ◽  
Weight Ratio ◽  
High Strength ◽  
Structure Property ◽  
Fused Filament Fabrication ◽  
Space Applications ◽  
Structure Property Relationships ◽  
Complex Design ◽  
Process Structure

Poly (ether ether ketone) (PEEK) is a high-performance engineering thermoplastic polymer with potential for use in a variety of metal replacement applications due to its high strength to weight ratio. This combination of properties makes it an ideal material for use in the production of bespoke replacement parts for out-of-earth manufacturing purposes, in particular on the International Space Station (ISS). Additive manufacturing (AM) may be employed for the production of these parts, as it has enabled new fabrication pathways for articles with complex design considerations. However, AM of PEEK via fused filament fabrication (FFF) encounters significant challenges, mostly stemming from the semi crystalline nature of PEEK and its associated high melting temperature. This makes PEEK highly susceptible to changes in processing conditions which leads to a large reported variation in the literature on the final performance of PEEK. This has limited the adaption of FFF printing of PEEK in space applications where quality assurance and reproducibility are paramount. In recent years, several research studies have examined the effect of printing parameters on the performance of the 3D-printed PEEK parts. The aim of the current review is to provide comprehensive information in relation to the process-structure-property relationships in FFF 3D-printing of PEEK to provide a clear baseline to the research community and assesses its potential for space applications, including out-of-earth manufacturing.

Data-driven multi-scale multi-physics models to derive process–structure–property relationships for additive manufacturing

2018 ◽  
Vol 61 (5) ◽  
pp. 521-541 ◽  
Author(s):  
Wentao Yan ◽  
Stephen Lin ◽  
Orion L. Kafka ◽  
Yanping Lian ◽  
Cheng Yu ◽  
...  
Keyword(s):  
Additive Manufacturing ◽  
Data Driven ◽  
Structure Property ◽  
Multi Scale ◽  
Structure Property Relationships ◽  
Process Structure
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