Browsing Metallurgical and Materials Engineering- Staff Publications by Issue Date
Now showing items 1-20 of 167
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Improvement on the strength of 6063 aluminum alloy by means of solution heat treatment
(Materials Science and Technology (MS&T), 2006)The paper examines the solution heat treatment of an extruded 6063 aluminum alloy. The study shows that the strength and fracture resistance of this metal alloy can be influenced to an appreciable extent by the solution ... -
Effects of Deformation Processing on the Mechanical Properties of Aluminum Alloy 6063
(The Minerals, Metals & Materials Society and ASM International, 2007)Aluminum alloy 6063 was processed by upset forging and cold rolling at ambient temperature. The tensile, ductile, and hardness (HRN) properties of the samples were studied. Upset forging is determined from the processing ... -
Stress variation in deep drawn 1017 aluminum alloy
(Journal of Materials Engineering and Performance, 2007)The qualitative analysis of the elastic-plastic behavior of metal sheet is usually performed by finite element methods. These methods are often complicated because of large computational requirements associated with the ... -
Effects of Deformation Processing on the Mechanical Properties of Aluminum Alloy 6063
(The Minerals, Metals & Materials Society and ASM International 2007, 2007)Aluminum alloy 6063 was processed by upset forging and cold rolling at ambient temperature. The tensile, ductile, and hardness (HRN) properties of the samples were studied. Upset forging is determined from the processing ... -
Effects of Heat Treatment on Strength and Ductility of Rolled and Forged Aluminum 6063 Alloy
(Vol. 9, No.8, pp.763-773, 2010 jmmce.org Printed in the USA. All rights reserve, 2010)This work examines the effect of heat treatment on tensile strength and ductile responses of rolled and forged AA6063 aluminum alloy. Some cast samples were rolled while some were forged at ambient temperature (320C). ... -
Influence of magnesium addition on the mechanical and corrosion responses of 7249 aluminum alloy
(Journal of Corrosion Science and Engineering, 2010-11)The effects of 1.8-2.6% Magnesium addition on the mechanical and corrosion responses of 7249 aluminum alloy have been studied. Samples of the alloy in as-cast, T6 and RRA forms were made and subjected to tensile and hardness ... -
Reliability assessment of offshore jacket structures in Niger Delta
(Petroleum & Coal, 2011)Jacket platform is essential for continuous crude oil production in Nigerian offshore oil and gas fields. However, the structures are constantly exposed not only to hostile environment and operational conditions but as ... -
Effect of Deformation on the Mechanical and Electrical Properties of Aluminum-Magnesium Alloy
(Journal of Minerals & Materials Characterization & Engineering, 2011)This paper presents the effect of deformation on the tensile strength, toughness, hardness and electrical resistance of aluminum 6063 alloy. Cast samples were cold rolled in the range of 0-24 percent thickness reduction ... -
On preventing HAZ cracking in laser welded DS Rene 80 superalloy
(Institute of Materials, Minerals and Mining, 2011)The heat affected zone (HAZ) cracking behaviour in a laser beam directionally solidified (DS) Rene 80 nickel based superalloy subjected to preweld heat treatments was studied. The HAZ cracks in the alloy are grain boundary ... -
Effect of Cu and Zn Addition on the Mechanical Properties of Structural Aluminum Alloy
(Journal of Modern Manufacturing Technology., 2011)The effect of independently adding Cu and Zn on the mechanical properties of 6063 aluminium alloy has been examined. In this study, sand cast samples of aluminum alloy containing Cu/Zn (0-20 vol %) and homogenized at ... -
Effect of Deformation on the Mechanical and Electrical Properties of Aluminum-Magnesium Alloy
(Journal of Minerals & Materials Characterization & Engineering, 2011)This paper presents the effect of deformation on the tensile strength, toughness, hardness and electrical resistance of aluminum 6063 alloy. Cast samples were cold rolled in the range of 0-24 percent thickness reduction ... -
Effect of Deformation on the Mechanical and Electrical Properties of Aluminum-Magnesium Alloy
(Journal of Minerals & Materials Characterization & Engineering., 2011)This paper presents the effect of deformation on the tensile strength, toughness, hardness and electrical resistance of aluminum 6063 alloy. Cast samples were cold rolled in the range of 0-24 percent thickness reduction ... -
Effect of casting mould on mechanical properties of 6063 aluminium alloy
(Journal of Engineering Science and Technology, 2012)Modern production methods for casting articles include the use of sand- mould, metal-mould, die, and centrifugal castings. Castings produced using sand mould is known to have peculiar microstructures depending on ... -
Study on the mechanical properties of cast 6063 al alloy using a mixture of aluminum dross and green sand as mold
(The Journal of The Minerals, Metals & Materials Society (TMS), 2012)The mechanical characteristics of 6063 aluminum alloy cast in a mixture of aluminum dross and silica sand as mold have been examined. The amount of dross in the green silica sand was varied in the range of 0–80% with ... -
Microstructural analysis of laser weld fusion zone in Haynes 282 superalloy
(Materials Characterization, 2012)Analytical electron microscopy and spectroscopy analyses of the fusion zone (FZ) microstructure in autogenous laser beam welded Haynes 282 (HY 282) superalloy were performed. The micro-segregation patterns observed in ... -
Influence of laser welding heat input on HAZ cracking in newly developed Haynes 282 superalloy
(Institute of Materials, Minerals and Mining, 2012)A study of the cause of heat affected zone (HAZ) cracking and its dependence on heat input during laser beam welding of a newly developed c9 precipitation strengthened nickel based superalloy Haynes 282 was performed. ... -
Improved Resistance to Laser Weld Heat-Affected Zone Microfissuring in a Newly Developed Superalloy HAYNES 282
(The Minerals, Metals & Materials Society and ASM International, 2012)Gleeble thermomechanical simulation and microstrucutural analyses of laser beam weldability of a newly developed precipitation-hardened nickel-base HAYNES alloy 282 were performed to better understand the fundamental ... -
Suitability of Nigerian Rocks as Refractory Materials for Monolithic Furnace Lining
(Particulate Science and Technology: An International Journal, 2012)The physical, chemical composition and service properties of imported monolithic refractory and locally produced refractory lining materials were investigated and compared in this study. The samples were compacted in a ... -
Investigation into the Deep Drawability of 0.1%C Eutectoid Steel
(Journal of Minerals and Materials Characterization and Engineering., 2012)The phenomenon of anisotropism in most rolled products necessitates that the rolling direction that enhances desirable mechanical property is established. In this paper, the comparative deep drawability of as-received and ... -
Study on the Mechanical Properties of Cast 6063 Al Alloy Using a Mixture of Aluminum Dross and Green Sand as Mold
(M The Journal of The Minerals, Metals & Materials Society (TMS), 2012)The mechanical characteristics of 6063 aluminum alloy cast in a mixture of aluminum dross and silica sand as mold have been examined. The amount of dross in the green silica sand was varied in the range of 0–80% with ...