SEMI-SOLID RHEOCASTING OF AL-5CU-1AG HIGH STRENGTH ALLOY

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ABADI MARAND LEILA; YOUSEFI BONAB SEYYED SADRA; AGHAJANI HOSSEIN; SAFAEI AMIR SAEED; DAMADI SEYYED REZA

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Journal: FOUNDING RESEARCH JOURNAL Year:2018 | Volume:1 | Issue:3 Page(s): 193-200

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Title

SEMI-SOLID RHEOCASTING OF AL-5CU-1AG HIGH STRENGTH ALLOY

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Keywords

AL-5CU-1AG ALLOY

HOT TEAR

RHEOCASTING

MECHANICAL PROPERTIES

MICROSTRUCTURE

Abstract

The most important defect in casting of AL-5CU-1AG ALLOY is HOT TEAR. To solve this problem, using new casting methods such as semi-solid casting process is in forth. In this research after alloying process, samples were casted via common direct casting (DC) and semisolid casting (SC) methods. These samples were aged for 18 hours at 150oC. Microstructural studies were performed by optical and scanning electron microscopes equipped by EDS for elemental analysis and image analyzing by CLEMEX software. MECHANICAL PROPERTIES were investigated by the use of Brinell hardness and tensile strength measurements results. Study on semi-solid behavior and determination of optimum solid fraction were performed by Thermo Calc Software. Results show that the dendritic structure in DC casted samples has changed to a 78% spherical structure with 48 mm diameter in SC method. Thus, hardness, tensile strength and elongation increased up to 50%, 20 % and 77 %, respectively. According to thermodynamically modelling results the optimum temperature range for RHEOCASTING of AL-5CU-1AG ALLOY is 545-612oC.

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APA: Copy

ABADI MARAND, LEILA, YOUSEFI BONAB, SEYYED SADRA, AGHAJANI, HOSSEIN, SAFAEI, AMIR SAEED, & DAMADI, SEYYED REZA. (2018). SEMI-SOLID RHEOCASTING OF AL-5CU-1AG HIGH STRENGTH ALLOY. FOUNDING RESEARCH JOURNAL, 1(3 ), 193-200. SID. https://sid.ir/paper/265677/en

Vancouver: Copy

ABADI MARAND LEILA, YOUSEFI BONAB SEYYED SADRA, AGHAJANI HOSSEIN, SAFAEI AMIR SAEED, DAMADI SEYYED REZA. SEMI-SOLID RHEOCASTING OF AL-5CU-1AG HIGH STRENGTH ALLOY. FOUNDING RESEARCH JOURNAL[Internet]. 2018;1(3 ):193-200. Available from: https://sid.ir/paper/265677/en

IEEE: Copy

LEILA ABADI MARAND, SEYYED SADRA YOUSEFI BONAB, HOSSEIN AGHAJANI, AMIR SAEED SAFAEI, and SEYYED REZA DAMADI, “SEMI-SOLID RHEOCASTING OF AL-5CU-1AG HIGH STRENGTH ALLOY,” FOUNDING RESEARCH JOURNAL, vol. 1, no. 3 , pp. 193–200, 2018, [Online]. Available: https://sid.ir/paper/265677/en

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