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Register a new userEffect of Retrogression and Re-Aging on Mechanical Properties and Formability of Al 2024 Alloy
تأثیر الإرجاع وٕ اعادة التعتیق على الخواص المیكانیكیة و قابلیة التشكیل للخلیطة Al 2024-T6
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تهدف الدراسة إلى تحسین قابلیة التشكیل و المواصفات المیكانیكیة لخلیطة الألمنیوم 2024-T6 وٕ اعادة التعتیق و یتم تقییم ذلك تبعاً لاختبار الشد المحوري و اختبار القساوة و اختبار الكرة المخترقة.
The study aimed to optimize the formability and mechanical properties of aluminum alloy 2024-T6 by Retrogression and Re-Aging (RRA), and evaluating that by means of tensile test, hardness test, and ball punch test.
References used
European Aluminum Association (EAA) - TALAT Lecture 1501 - Aluminum: Physical Properties, Characteristics and Alloys - prepared by Ron Cobden, Alcan, Banbury
ASM Handbook Volume 2 Nonferrous Alloys and Special- Purpose Materials/ 10 Edition
Aircraft and Aerospace Applications Part Two - KEY to METALS Articles
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In this research the effect of Nickel addition by various
percentages on the mechanical properties of
Aluminum-Copper alloy was studied. After
adding Nickel the alloys was artificially aged for different
times, and the effect of Nickel on
the re
sponse of alloy to precipitation hardening was studied.
Where the effect of Nickel on the microscope structure was
studied, and on the mechanical properties as hardness, tensile
strength, yield strength and elongation. The results showed that
the increase of Nickel improve this properties, where the highest
values were obtained when the Nickel's percentage was 5% Wt.
In this research, specimens of aluminum alloy 6061 were
received, and chemical composition was investigated. After
that solution heat treatment was applied on it at 530°C, a
section of these specimens was quenched in water and anther
quenched in
oil, and two sections were aged at 160°C for
times (1,3,5 h), and thus obtained six samples differ in
condition of heat treatment in addition to as received
specimen.
The effect of artificial aging on the revolution of mechanical
properties of aluminum alloy 6063-T5 has been studied. Samples of
aluminum profiles which are formed by extrusion process have
chosen, then studied the effect of artificial aging on th
e hardness
and mechanical properties by applied two aging stages and many
stages comparing to the traditional way which be done in one stage.
Because of large industrial development which the world has seen in
all fields. scientists and researchers aim to produce new materials
that having special engineering properties with low economic cost as
fit multiple industrial application and us
es. So in This present
article We try to prepare composite materials based on aluminum
alloy (6663) and reinforcement it by different particles having size
of micron of Alumina and silicon carbide particles are added in
specific weight parentage by stir casting
technique to obtain Aluminum Which having the improving
mechanical properties
This search aims to study the effect of additive materials ( Ethyl Methyl Keton
Peroxide MEKP , Cobalt Naphthenate ) at the important values of (stress-strain) curves
( stress and elongation at break ) for the preparing specimens from reinforced an
d nonreinforced
with fiber glass unsaturated polyester resin.
The result showed that the investigated parameters are clearly affected with using
additive materials and the optimum concentration for non-reinforced specimens which was
curing in room temperature was (1% MEKP + 1% Cobalt Naphthenate) and (0.8% MEKP
+ 1% Cobalt Naphthenate), and for reinforced specimens with fiber glass was:( 1% MEKP
+ 0.8% Cobalt Naphthenate) and ((0.2-0.4) % MEKP + 1% Cobalt Naphthenate).
The results showed also that it is possible to get the better values of tensile stress at
break when the specimens was curing in oven at 100 Cº and treated at this temperature for
15 min.
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