نتایج جستجو برای: aluminium 7075
تعداد نتایج: 15754 فیلتر نتایج به سال:
During the extrusion of aluminum alloys profiles using porthole dies, temperature material in welding chamber is one crucial parameters determining quality longitudinal welds. In order to extend permissible range, billets intended for this process should be characterized by maximum attainable solidus temperature. Within present work, homogenization AlZnMgCu DC-cast (Direct Chill-cast) was inves...
Sprocket merupakan salah satu bagian dari sistem transmisi yang biasa digunakan pada kendaraan bermotor. Pada eco-car tim Antawirya Universitas Diponegoro juga menggunakan sprocket sebagai komponennya. Saat memulai balapan pertama dan melakukan full throttle, menjadi gagal karena deformasi terjadi sprocket. mengalami plastis kemudian menyebabkan rantai keluar jalurnya terlepas. Tujuan kajian in...
This paper aims at investigating the effect of graphene reinforced Al-Si coatings on corrosion behavior AA7075 aluminium alloy. Al - 12Si alloy powder with 0.5 and 1 wt.% was plasma sprayed substrate. Potentiodynamic polarization measurements were performed using CHI660E-CH electrochemical workstation. It observed that coating enhanced potential from –0.893 to –0.761 V reduced current density 1...
The influence of a minor strontium (Sr) modifier on the microstructures and mechanical properties of 7075 Al alloys was investigated in this paper. The grain size of cast 7075 Al alloys was refined from 157 μm to 115 μm, 108 μm, and 105 μm after adding 0.05 wt. %, 0.1 wt. %, and 0.2 wt. % Sr, respectively. The extruded 7075 Al alloys was refined with different degrees of Sr modifier. The mechan...
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