نتایج جستجو برای: fe al si intermetallic compound

تعداد نتایج: 692581  

در این پژوهش، نتیجه­ های مربوط به تغییرهای ساختاری و ویژگی­ های مغناطیسی چند لایه ­ای Fe/Al/Fe رشد یافته بر روی زیرلایه ی Si(100) مورد مطالعه قرار گرفت. نانو لایه های نازک به روش کندوپاش مگنترونی RF لایه نشانی شدند به طوری که ضخامت هر لایه  nm30 می‌باشد. نتیجه­ های تحلیل XRD  نشان داد جهت ترجیهی  سه لایه ای Fe/Al/Fe در راستای (200)  می باشد. در ادامه به­ منظور بررسی رف...

Journal: :Acta Crystallographica Section E Structure Reports Online 2002

Journal: :Acta Crystallographica Section C Crystal Structure Communications 2002

Journal: :Acta Crystallographica Section E Structure Reports Online 2002

Journal: :Acta Crystallographica Section E Structure Reports Online 2003

The purpose of the present work is to investigate the influence of the number of weld-passes on microstructure, hardness and residual stresses of composite coatings composed of Ti-Al-Si intermetallic compounds. In this regard, surface coating of pure Ti was carried out using one and two passes of tungsten inert gas (TIG) welding with an Al filler alloy (grade 4043). Phase and structural evaluat...

2018
Tijun Chen Min Gao Yunqi Tong

To prepare core-shell-structured Ti@compound particle (Ti@compoundp) reinforced Al matrix composite via powder thixoforming, the effects of alloying elements, such as Si, Cu, Mg, and Zn, on the reaction between Ti powders and Al melt, and the microstructure of the resulting reinforcements were investigated during heating of powder compacts at 993 K (720 °C). Simultaneously, the situations of th...

Journal: :Journal of the Japan Society of Powder and Powder Metallurgy 2001

2015
Dariusz Siemiaszko Beata Kowalska Paweł Jóźwik Monika Kwiatkowska

This paper presents the results of studies on the influence of oxygen partial pressure (vacuum level in the chamber) on the properties of FeAl intermetallics. One of the problems in the application of classical methods of prepared Fe-Al intermetallic is the occurrence of oxides. Applying a vacuum during sintering should reduce this effect. In order to analyze the effect of oxygen partial pressu...

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