نتایج جستجو برای: aluminum alloy 6012

تعداد نتایج: 96529  

2017
Chao Chen Shengdun Zhao Xiaolan Han Yongfei Wang Xuzhe Zhao

In recent years, the use of aluminum alloy has tended to increase for building lightweight automobiles to reduce their automotive weight, which is helpful to save energy and protect the environment. In order to join aluminum alloy, a flat-clinching process combined with material forming technology was investigated to join aluminum alloy sheets using an experimental and a numerical method. Al106...

2013
James B. Min

A fracture analysis of highly loaded particulate reinforced composites was performed using laser moire interferometry to measure the displacements within the plastic zone at the tip of an advancing crack. Ten castings were made of five different particulate reinforcement-aluminum alloy combinations. Each casting included net-shape specimens which were used for the evaluation of fracture toughne...

2013
Gui-Lin Yang

In this study, firstly, the YL12 aluminum alloy is used as experimental materials, then in the following experiments it is cut in JJ-I-type water jet machines, and 1,000 group data are gotten by measurement. In each group data, pressure, material thickness, surface roughness, abrasive flow and traversing speed are included. Next, BP artificial neural network is established. In this network, the...

2014
Min-Ju Ryu Sung-Nam Gang Sung-Hoon Lim

OBJECTIVE The purpose of this study was to evaluate the effects of three different surface conditioning methods on the shear bond strength (SBS) of metal brackets bonded directly to gold alloy with chemically cured resin. METHODS Two hundred ten type III gold alloy specimens were randomly divided into six groups according to the combination of three different surface conditioning methods (alu...

Journal: :Dental materials : official publication of the Academy of Dental Materials 2006
José F López-Alías Jordi Martinez-Gomis Josep M Anglada Maria Peraire

OBJECTIVES The aims of this study were to quantify the metallic ions released by various dental alloys subjected to a continuous flow of saliva and to estimate the nutritional and toxicological implications of such a release. METHODS Four pieces of three nickel-based, one noble, one high-noble and two copper-aluminum alloys were cast and then immersed in a continuous flow of artificial saliva...

2016
L. ZUEV

S. Barannikova, L. Zuev, Institute of Strength Physics and Materials Science of Siberian Branch Russian Academy of Sciences (ISPMS SB RAS) and National Research Tomsk State University «TSU» ; A. Bochkareva, A. Lunev, ISPMS SB RAS and National Research Tomsk Polytechnic University «TPU»; Yu. Li, ISPMS SB RAS; G. Shlyakhova, ISPMS SB RAS and Seversk Technological Institute branch of State Autonom...

1999
Y. M. Zhang S. B. Zhang

Cracking is a major concern in welding aluminum alloys. Although weld solidification cracks can be eliminated through addition of filler alloy, the additives modify the alloy or base-metal constituents and may not always be desirable. High-energy beam processes, such as electron-beam welding, that result in minimal heat input reduce crack sensitivity, but their high cost limits their applicatio...

2005
O. Ludwig

During casting of aluminum alloys, the partially solidified material is submitted to thermally induced strains that can lead to severe casting defects, such as hot tearing. In this work, carried out in the frame of the European project VIR[CAST], the rheological behavior of a partially solidified AA5182 aluminum alloy has been investigated in order to provide constitutive equations to predict h...

Journal: :Physical review letters 2014
Nianpei Deng G C Gardner S Mondal E Kleinbaum M J Manfra G A Csáthy

We report quantitative measurements of the impact of alloy disorder on the ν = 5/2 fractional quantum Hall state. Alloy disorder is controlled by the aluminum content x in the Al(x)Ga(1-x)As channel of a quantum well. We find that the ν = 5/2 state is suppressed with alloy scattering. To our surprise, in samples with alloy disorder the ν = 5/2 state appears at significantly reduced mobilities w...

H. Momeni, H. Razavi, S. G. Shabestari,

Abstract: The supersolidus liquid phase sintering characteristics of commercial 2024 pre-alloyed powder was studied at different sintering conditions. Pre-alloyed 2024 aluminum alloy powder was produced via air atomizing process with particle size of less than 100 µm. The solidus and liquidus temperatures of the produced alloy were determined using differential thermal analysis (DTA). The sinte...

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