The effects of Y additions (0.2, 0.4, 0.6, 0.8 and 1.0 wt%) on the microstructure and mechanical properties of hypereutecdc Al-20Si alloy have been studied in the present work. The as-cast specimens were examined by scanning electron microscope (SEM) equipped with energy spectrometer (EDS), electron probe micro-analysis (EPMA) and X-ray diffraction (lCRD). The results demonstrated that the morphology of primary Si could be refined from coarse irregular star-like and plate-like shape to fine block-like when the addition contents of Y increased to 0.8%. The average size of primary Si reduced by 62.9% from 89 pm to 33 pm and the aspect ratio decreased by 38.6% from 2.07 to 1.27. In addition, the eutectic Si structure was modified from coarse needle / flake to fine coral fibrous structure and partial particles. With the refinement and homogenization of Si phases, the optimal elongation (El) increased by 22.5% from 1.13% to 1.36% when the Y content was 0.6%. However, the ultimate tensile strength (UTS) enhanced by 47.9% from 94 MPa to 139 MPa when the addition content of Y was up to 0.8%. Moreover, the refinement and modification mechanism of Y on Al-20Si alloy was also discussed.
机构:
Univ Tun Hussein Onn Malaysia, Fac Mech & Mfg Engn, Dept Mfg & Ind Engn, Batu Pahat 86400, Johor, MalaysiaUniv Tun Hussein Onn Malaysia, Fac Mech & Mfg Engn, Dept Mfg & Ind Engn, Batu Pahat 86400, Johor, Malaysia
Ahmad, R.
Asmael, M. B. A.
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Univ Tun Hussein Onn Malaysia, Fac Mech & Mfg Engn, Dept Mfg & Ind Engn, Batu Pahat 86400, Johor, MalaysiaUniv Tun Hussein Onn Malaysia, Fac Mech & Mfg Engn, Dept Mfg & Ind Engn, Batu Pahat 86400, Johor, Malaysia
Asmael, M. B. A.
Shahizan, N. R.
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Univ Tun Hussein Onn Malaysia, Fac Mech & Mfg Engn, Dept Mfg & Ind Engn, Batu Pahat 86400, Johor, MalaysiaUniv Tun Hussein Onn Malaysia, Fac Mech & Mfg Engn, Dept Mfg & Ind Engn, Batu Pahat 86400, Johor, Malaysia
Shahizan, N. R.
Gandouz, S.
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Univ Tun Hussein Onn Malaysia, Fac Mech & Mfg Engn, Dept Mfg & Ind Engn, Batu Pahat 86400, Johor, MalaysiaUniv Tun Hussein Onn Malaysia, Fac Mech & Mfg Engn, Dept Mfg & Ind Engn, Batu Pahat 86400, Johor, Malaysia
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Dalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R China
Dalian Univ Technol, Sch Chem Engn, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R China
Chen, Zongning
Kang, Huijun
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Dalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R China
Dalian Univ Technol, Lab Special Proc Raw Mat, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R China
Kang, Huijun
Fan, Guohua
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Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R China
Fan, Guohua
Li, Jiehua
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Univ Leoben, Inst Casting Res, A-8700 Leoben, AustriaDalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R China
Li, Jiehua
Lu, Yiping
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Dalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R China
Lu, Yiping
Jie, Jinchuan
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Dalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R China
Jie, Jinchuan
Zhang, Yubo
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Dalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R China
Zhang, Yubo
Li, Tingju
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Dalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R China
Li, Tingju
Jian, Xigao
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Dalian Univ Technol, Sch Chem Engn, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R China
Jian, Xigao
Wang, Tongmin
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Dalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R China
机构:
Southwest Univ, Sch Mat Sci & Engn, Chongqing 400715, Peoples R ChinaSouthwest Univ, Sch Mat Sci & Engn, Chongqing 400715, Peoples R China
Jia, Kun
Yu, Wen-Bin
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Southwest Univ, Sch Mat Sci & Engn, Chongqing 400715, Peoples R ChinaSouthwest Univ, Sch Mat Sci & Engn, Chongqing 400715, Peoples R China
Yu, Wen-Bin
Yao, Jian-Min
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Southwest Univ, Sch Mat Sci & Engn, Chongqing 400715, Peoples R ChinaSouthwest Univ, Sch Mat Sci & Engn, Chongqing 400715, Peoples R China
Yao, Jian-Min
Zhang, Shuo
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Southwest Univ, Sch Mat Sci & Engn, Chongqing 400715, Peoples R ChinaSouthwest Univ, Sch Mat Sci & Engn, Chongqing 400715, Peoples R China
Zhang, Shuo
Wu, Hao
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Guangzhou Automobile Grp Motor Co Ltd, Guangzhou 510030, Guangdong, Peoples R ChinaSouthwest Univ, Sch Mat Sci & Engn, Chongqing 400715, Peoples R China
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Univ Tun Hussein Onn Malaysia, Fac Mech & Mfg Engn, Dept Mfg & Ind Engn, Batu Pahat 86400, Johor, MalaysiaUniv Tun Hussein Onn Malaysia, Fac Mech & Mfg Engn, Dept Mfg & Ind Engn, Batu Pahat 86400, Johor, Malaysia
Ahmad, R.
Asmael, M. B. A.
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Univ Tun Hussein Onn Malaysia, Fac Mech & Mfg Engn, Dept Mfg & Ind Engn, Batu Pahat 86400, Johor, MalaysiaUniv Tun Hussein Onn Malaysia, Fac Mech & Mfg Engn, Dept Mfg & Ind Engn, Batu Pahat 86400, Johor, Malaysia
Asmael, M. B. A.
Shahizan, N. R.
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Univ Tun Hussein Onn Malaysia, Fac Mech & Mfg Engn, Dept Mfg & Ind Engn, Batu Pahat 86400, Johor, MalaysiaUniv Tun Hussein Onn Malaysia, Fac Mech & Mfg Engn, Dept Mfg & Ind Engn, Batu Pahat 86400, Johor, Malaysia
Shahizan, N. R.
Gandouz, S.
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Univ Tun Hussein Onn Malaysia, Fac Mech & Mfg Engn, Dept Mfg & Ind Engn, Batu Pahat 86400, Johor, MalaysiaUniv Tun Hussein Onn Malaysia, Fac Mech & Mfg Engn, Dept Mfg & Ind Engn, Batu Pahat 86400, Johor, Malaysia
机构:
Dalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R China
Dalian Univ Technol, Sch Chem Engn, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R China
Chen, Zongning
Kang, Huijun
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Dalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R China
Dalian Univ Technol, Lab Special Proc Raw Mat, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R China
Kang, Huijun
Fan, Guohua
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Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R China
Fan, Guohua
Li, Jiehua
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Univ Leoben, Inst Casting Res, A-8700 Leoben, AustriaDalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R China
Li, Jiehua
Lu, Yiping
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Dalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R China
Lu, Yiping
Jie, Jinchuan
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Dalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R China
Jie, Jinchuan
Zhang, Yubo
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Dalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R China
Zhang, Yubo
Li, Tingju
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Dalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R China
Li, Tingju
Jian, Xigao
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Dalian Univ Technol, Sch Chem Engn, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R China
Jian, Xigao
Wang, Tongmin
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Dalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Te, Dalian 116024, Peoples R China
机构:
Southwest Univ, Sch Mat Sci & Engn, Chongqing 400715, Peoples R ChinaSouthwest Univ, Sch Mat Sci & Engn, Chongqing 400715, Peoples R China
Jia, Kun
Yu, Wen-Bin
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h-index: 0
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Southwest Univ, Sch Mat Sci & Engn, Chongqing 400715, Peoples R ChinaSouthwest Univ, Sch Mat Sci & Engn, Chongqing 400715, Peoples R China
Yu, Wen-Bin
Yao, Jian-Min
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Southwest Univ, Sch Mat Sci & Engn, Chongqing 400715, Peoples R ChinaSouthwest Univ, Sch Mat Sci & Engn, Chongqing 400715, Peoples R China
Yao, Jian-Min
Zhang, Shuo
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Southwest Univ, Sch Mat Sci & Engn, Chongqing 400715, Peoples R ChinaSouthwest Univ, Sch Mat Sci & Engn, Chongqing 400715, Peoples R China
Zhang, Shuo
Wu, Hao
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Guangzhou Automobile Grp Motor Co Ltd, Guangzhou 510030, Guangdong, Peoples R ChinaSouthwest Univ, Sch Mat Sci & Engn, Chongqing 400715, Peoples R China