Colour Metallography of Cast Aluminium Alloys

2014 ◽  
Vol 51 (7) ◽  
pp. 514-529 ◽  
Author(s):  
Laura García ◽  
Christian Dietz ◽  
Antonio J. Criado ◽  
J.A. Martínez
Keyword(s):  
Aluminium Alloys ◽  
Cast Aluminium

Porosity Quatification of Cast Aluminium Alloys on Machined Surfaces Using Metallography and Eddy-Currents

2015 ◽  
Vol 647 ◽  
pp. 188-194
Author(s):  
Břetislav Skrbek
Keyword(s):  
Surface Treatment ◽  
Aluminium Alloys ◽  
Eddy Currents ◽  
Initiation Site ◽  
Cast Aluminium ◽  
Strength And Ductility ◽  
Machined Surfaces

The porosity is unwanted phenomenon mostly that is tried to eliminate. The pores are initiation site of fatigue fractions usually, they worse strength and ductility of materials, quality of machined surfaces and their following surface treatment.

Die optischen Konstanten von Phasen in Aluminium- Gußlegierungen / The Optical Constants of Phases in Cast Aluminium Alloys

1983 ◽  
Vol 20 (3) ◽  
pp. 105-117
Author(s):  
Irfan Aydin ◽  
Hans-Eugen Bühler ◽  
Gerhard Elssner ◽  
Isolde Stapf
Keyword(s):  
Aluminium Alloys ◽  
Optical Constants ◽  
Cast Aluminium

scholarly journals Comparative effects of corrosion on electroless -nickel plated A6061 alloys in DOT3 brake fluid

2018 ◽  
Vol 7 (2) ◽  
pp. 927
Author(s):  
Olawale O. Ajibola ◽  
Peter A.Olubambi
Keyword(s):  
Aluminium Alloy ◽  
Aluminium Alloys ◽  
Electroless Nickel ◽  
Master Cylinder ◽  
Brake Fluid ◽  
Hardness Tester ◽  
Corrosion Rates ◽  
Hydraulic Brake ◽  
Cast Aluminium ◽  
Cylinder Piston

Aluminium alloys used in automobile brake master cylinder pistons wear by corrosion due to contamination and chemical reaction of the contacting brake fluid. The study investigates the corrosion of electroless-nickel (EN) deposition enhanced cast aluminium alloy master cylinder piston surfaces immersed in hydraulic brake oil. Cast specimens were produced from the as-received wrought A6061 alloy scrap by sand casting. EN plated as-received and cast aluminium alloys specimens were immersed fully in brake oil for 1680 hours and corrosion rates were determined every 24 hours. Test samples were characterised using the hardness tester, atomic absorption spectrometer, metallurgical photo-microscope, x-ray diffractometer; and SEM with EDX attachment. Both surfaces corroded in the order of electroless-nickel plated cast aluminium alloy (ENCA) < electroless-nickel plated as-received aluminium alloy (ENAA) at 0.0235 and 0.0251 rates (mg/mm2/y) results which showed improvement in the corrosion resistance with significant influence of electroless-nickel coating in reducing corrosion rates of aluminium alloy in brake oil.  

Friction Stir Welding of Elements Made of Cast Aluminium Alloys

2014 ◽  
Vol 59 (1) ◽  
pp. 385-392
Author(s):  
B. Rams ◽  
A. Pietras ◽  
K. Mroczka
Keyword(s):  
Friction Stir Welding ◽  
Aluminium Alloy ◽  
Aluminium Alloys ◽  
Welding Parameters ◽  
Process Conditions ◽  
Friction Stir ◽  
Seam Weld ◽  
Cast Aluminium ◽  
Weld Structure ◽  
Welding Stability

Abstract The article presents application of FSW method for joining elements made of cast aluminium alloys which are hardly weldable with other known welding techniques. Research’s results of plasticizing process of aluminium and moulding of seam weld during different FSW process’ conditions were also presented. Influence of welding parameters, shape and dimensions of tool on weld structure, welding stability and quality was examined. Application of FSW method was exemplified on welding of hemispheres for valves made of cast aluminium alloy EN AC-43200.

Microstructural Defects in Thin Sheet Twin Roll Cast Aluminium Alloys

1996 ◽  
Vol 217-222 ◽  
pp. 367-372 ◽  
Author(s):  
S.A. Lockyer ◽  
Ming Yun ◽  
J.D. Hunt ◽  
D.V. Edmonds
Keyword(s):  
Aluminium Alloys ◽  
Thin Sheet ◽  
Cast Aluminium ◽  
Microstructural Defects ◽  
Twin Roll Cast ◽  
Twin Roll

Machining of LM13 and LM28 cast aluminium alloys: Part I

2008 ◽  
Vol 196 (1-3) ◽  
pp. 197-204 ◽  
Author(s):  
D.K. Dwivedi ◽  
A. Sharma ◽  
T.V. Rajan
Keyword(s):  
Aluminium Alloys ◽  
Cast Aluminium

Anodising as pre-treatment before organic coating of extruded and cast aluminium alloys

2004 ◽  
Vol 46 (8) ◽  
pp. 2081-2095 ◽  
Author(s):  
Ole Øystein Knudsen ◽  
Bjørn Steinar Tanem ◽  
Astrid Bjørgum ◽  
Jostein Mårdalen ◽  
Merete Hallenstvet
Keyword(s):  
Aluminium Alloys ◽  
Organic Coating ◽  
Cast Aluminium ◽  
Pre Treatment
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