scholarly journals Experimental and theoretical investigation of the microstructural evolution in aluminium alloys during extrusion

2009 ◽  
Author(s):  
T. Kayser ◽  
F. Parvizian ◽  
B. Klusemann ◽  
B. Svendsen
Keyword(s):  
Theoretical Investigation ◽  
Microstructural Evolution ◽  
Aluminium Alloys

Superplasticity and microstructural evolution in aluminium alloys

2012 ◽  
Vol 43 (9) ◽  
pp. 794-798 ◽  
Author(s):  
K. Sotoudeh ◽  
N. Ridley ◽  
F. J. Humphreys ◽  
P. S. Bate
Keyword(s):  
Microstructural Evolution ◽  
Aluminium Alloys

Microstructural Evolution during Ingot Preheat in 7xxx Aluminium Alloys for Thick Semiproduct Applications

2006 ◽  
Vol 519-521 ◽  
pp. 549-554 ◽  
Author(s):  
Seong Taek Lim ◽  
Yong Yun Lee ◽  
Il Sang Eun
Keyword(s):  
Aluminum Alloys ◽  
Cooling Rate ◽  
Temperature Interval ◽  
Microstructural Evolution ◽  
Aluminium Alloys ◽  
S Phase ◽  
Constitutional Change ◽  
Preheat Temperature ◽  
Quaternary Phase ◽  
M Phase

Recent 7xxx aluminum alloys have been designed for the finite use of thick semiproduct with contolled amount of constituent phases which mostly evolve during ingot preheat. In this study, the effects of constitutional change and preheat conditions of 7175 and 7050 type alloys on the evolution of constituent phases [M-, T-, S-phase and dispersoid] are presented. The constiuents evolve depending on the constitutional effect, primarily the change of Zn:Mg ratio, preheat condition comprising temperature and cooling rate following preheat. T- and M-phase are reprecipitated during cooling after preheat, depending on the alloy constitutions. S-phase is evolved depending on the constitution and preheat temperature, rather than preheat cooling rate. Prominent precipitation temperature interval of constituents are discussed in view of quaternary phase evolutions. In addition, evolutions of dispersoids together with M-phase are discussed. Specific alloy designs and preheat conditions could provide controlled microstructures for the thick 7xxx semiproducts.

A theoretical investigation of the effect of precipitate habit plane on plastic anisotropy in age hardenable aluminium alloys

2018 ◽  
Vol 26 (5) ◽  
pp. 055011 ◽  
Author(s):  
Sumeet Mishra ◽  
Manasij Yadava ◽  
Kaustubh N Kulkarni ◽  
N P Gurao
Keyword(s):  
Habit Plane ◽  
Theoretical Investigation ◽  
Aluminium Alloys ◽  
Plastic Anisotropy

Theoretical Investigation of the Microstructural Evolution of Superplastic Ceramics

1994 ◽  
Vol 170-172 ◽  
pp. 433-438 ◽  
Author(s):  
V.N. Chuvil'deev ◽  
V.N. Perevezentsev ◽  
O.E. Pirozhnikova
Keyword(s):  
Theoretical Investigation ◽  
Microstructural Evolution

Microstructural Evolution and Age Hardening in Aluminium Alloys

2000 ◽  
Vol 44 (1-2) ◽  
pp. 101-131 ◽  
Author(s):  
S.P. Ringer ◽  
K. Hono
Keyword(s):  
Microstructural Evolution ◽  
Aluminium Alloys ◽  
Age Hardening

Microstructural evolution and tensile mechanical properties of thixoformed high performance aluminium alloys

2003 ◽  
Vol 361 (1-2) ◽  
pp. 213-224 ◽  
Author(s):  
D. Liu ◽  
H.V. Atkinson ◽  
P. Kapranos ◽  
W. Jirattiticharoean ◽  
H. Jones
Keyword(s):  
Mechanical Properties ◽  
Microstructural Evolution ◽  
Aluminium Alloys ◽  
High Performance

scholarly journals A Review of Microstructural Evolution and Modelling of Aluminium Alloys under Hot Forming Conditions

Metals ◽  
2020 ◽  
Vol 10 (11) ◽  
pp. 1516
Author(s):  
Jiaxin Lv ◽  
Jing-Hua Zheng ◽  
Victoria A. Yardley ◽  
Zhusheng Shi ◽  
Jianguo Lin
Keyword(s):  
Microstructural Evolution ◽  
Aluminium Alloys ◽  
Critical Role ◽  
Flow Behaviour ◽  
Hot Forming ◽  
Multi Scale ◽  
Physically Based ◽  
Scale Modelling ◽  
Forming Temperature ◽  
Dynamic Recrystallisation

Microstructural evolution during hot forming of aluminium alloys plays a critical role in both the material flow behaviour during the deformation and the post-form mechanical properties in service. This paper presents a comprehensive review on the recrystallisation mechanisms, the interrelations between microstructures and macroscopic responses, and the associated modelling methods for aluminium alloys under hot forming conditions. Particular attention is focused on dynamic recrystallisation (DRX), which occurs during hot forming. The mechanisms, key features, and conditions of occurrence (forming temperature, strain rates, etc.) during hot forming for each type of DRX type are classified. The relationships between microstructures and macroscopic responses, including the flow behaviour, the post-form strength and ductility, are summarised based on existing experimental results. Most importantly, the associated modelling work, describing the recrystallisation and the viscoplastic behaviour under hot forming conditions, is grouped into four types, to enable a clear and concise understanding of the existing quantitative micro–macro interactions, which are particularly valuable for the future development of advanced physically based multi-scale modelling work for hot-forming processes in aluminium alloys.

scholarly journals Hybrid Modelling Methodology Applied to Microstructural Evolution during Hot Deformation of Aluminium Alloys

2003 ◽  
Vol 426-432 ◽  
pp. 27-34 ◽  
Author(s):  
C.M. Sellars ◽  
Maysam F. Abbod ◽  
Q. Zhu ◽  
D.A. Linkens
Keyword(s):  
Microstructural Evolution ◽  
Hot Deformation ◽  
Aluminium Alloys ◽  
Hybrid Modelling ◽  
Modelling Methodology

Multipass rolling of aluminium alloys: finite element simulations and microstructural evolution

2001 ◽  
Vol 17 (7) ◽  
pp. 874-879 ◽  
Author(s):  
M.S. Mirza ◽  
C.M. Sellars ◽  
K. Karhausen ◽  
P. Evans
Keyword(s):  
Finite Element ◽  
Microstructural Evolution ◽  
Aluminium Alloys ◽  
Finite Element Simulations
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