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Influence of aluminum content on machinability of AS series cast magnesium alloys

Transactions of Nonferrous Metals Society of China 2014年第11期24卷 3452-3458页

作者： Birol AKYZ Department of Mechanical and Manufacturing Engineering Bilecik Seyh Edebali University

The influence of Al content on machinability of AS series cast Mg alloys was studied. The assessment of machinability of Mg alloys was performed by measuring the cutting forces and surface roughness. The microstructure and the tensile properties were also studied. The results reveal that cutting forces are increased with the increase of the Al content. Surface roughness and mechanical properties are the highest for AS91 Mg alloy. It is assumed that the main mechanism, which has an influence on the mechanical properties, is the presence of intermetallic phases(Mg2Si and Mg17Al12). Cutting forces increase with the increase of the cutting speed in machining of all Mg alloys. These measured data are in accordance with the mechanical properties of the machined alloys.

关键词： machinability cutting force Mg alloy as series alloys flank build-up(FBU)

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A comparative study on corrosion of Mg-Al-Si alloys

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Transactions of Nonferrous Metals Society of China 2017年第8期27卷 1725-1734页

作者： Sennur CANDAN Ercan CANDAN Department of Mechanical and Manufacturing Engineering Bilecik Seyh Edebali University Bilecik 11210 Turkey Department of Mechanical Engineering Avrasya University Trabzon 61200 Turkey

Corrosion behavior of various Mg-Al-Si alloys(AS11,AS21,AS41,AS61and AS91series),cast under the same coolingconditions and controlled alloying composition,was investigated *** microscopy and scanning electronmicroscopy were used for microstructural *** corrosion behavior was evaluated by immersion tests andpotentiodynamic polarization measurements in3.5%NaCl *** results from both immersion tests and the potentiodynamicpolarization measurements showed that marginal improvement in corrosion resistance was observed with2.0%Al(mass fraction)containing alloy(AS21)whereas Al addition above2.0%(AS41,AS61and AS91)deteriorated the corrosion resistance which wasattributed toβphase,acting as cathode,and the interruption of continuity of the oxide film on the surface of the alloys owing tocoarsenedβand Mg2Si phases.

关键词： Mg alloy as series alloys microstructure corrosion

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