Abstract
Rare earth metals can create a fine eutectic Si structure in cast Al-Si10.6-Cu2.5 (ADC12) alloys produced through heated mold continuous casting. Fine and spherical eutectic Si phases are created in the ADC12 alloys through the addition of Sr0.04, and fine lamellar eutectic Si phases are created through Sb and Bi addition. Crystal orientation on the face perpendicular to the casting direction is formed by [110]; however, this uniform formation is collapsed in the ADC12 alloy with an increasing amount of Sr addition, such as Sr > 0.04%. The shape of the eutectic Si is statically analyzed, and the effects of the eutectic Si characteristics on the mechanical properties are examined experimentally. On the one hand, the mechanical properties of the ADC12-Sr alloy increase with increasing Sr content because of the fine eutectic Si, the randomly orientated crystal formation, and so on. On the other hand, the material ductility increases in the ADC12 alloy with increasing addition of Sb and Bi elements. A high fracture strain of approximately 14% is obtained for the ADC12-Bi1.5 alloy.
| Original language | English |
|---|---|
| Pages (from-to) | 1139-1147 |
| Number of pages | 9 |
| Journal | Journal of Mechanical Science and Technology |
| Volume | 30 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - Mar 1 2016 |
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Keywords
- Cast Al alloy
- Eutectic Si phase
- Material property
- Rare earth metal
ASJC Scopus subject areas
- Mechanical Engineering
- Mechanics of Materials
Cite this
Effects of Sb, Sr, and Bi on the material properties of cast Al-Si-Cu alloys produced through heated mold continuous casting. / Okayasu, Mitsuhiro; Takeuchi, Shuhei; Wu, Shaohua; Ochi, Toshihiro.
In: Journal of Mechanical Science and Technology, Vol. 30, No. 3, 01.03.2016, p. 1139-1147.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Effects of Sb, Sr, and Bi on the material properties of cast Al-Si-Cu alloys produced through heated mold continuous casting
AU - Okayasu, Mitsuhiro
AU - Takeuchi, Shuhei
AU - Wu, Shaohua
AU - Ochi, Toshihiro
PY - 2016/3/1
Y1 - 2016/3/1
N2 - Rare earth metals can create a fine eutectic Si structure in cast Al-Si10.6-Cu2.5 (ADC12) alloys produced through heated mold continuous casting. Fine and spherical eutectic Si phases are created in the ADC12 alloys through the addition of Sr0.04, and fine lamellar eutectic Si phases are created through Sb and Bi addition. Crystal orientation on the face perpendicular to the casting direction is formed by [110]; however, this uniform formation is collapsed in the ADC12 alloy with an increasing amount of Sr addition, such as Sr > 0.04%. The shape of the eutectic Si is statically analyzed, and the effects of the eutectic Si characteristics on the mechanical properties are examined experimentally. On the one hand, the mechanical properties of the ADC12-Sr alloy increase with increasing Sr content because of the fine eutectic Si, the randomly orientated crystal formation, and so on. On the other hand, the material ductility increases in the ADC12 alloy with increasing addition of Sb and Bi elements. A high fracture strain of approximately 14% is obtained for the ADC12-Bi1.5 alloy.
AB - Rare earth metals can create a fine eutectic Si structure in cast Al-Si10.6-Cu2.5 (ADC12) alloys produced through heated mold continuous casting. Fine and spherical eutectic Si phases are created in the ADC12 alloys through the addition of Sr0.04, and fine lamellar eutectic Si phases are created through Sb and Bi addition. Crystal orientation on the face perpendicular to the casting direction is formed by [110]; however, this uniform formation is collapsed in the ADC12 alloy with an increasing amount of Sr addition, such as Sr > 0.04%. The shape of the eutectic Si is statically analyzed, and the effects of the eutectic Si characteristics on the mechanical properties are examined experimentally. On the one hand, the mechanical properties of the ADC12-Sr alloy increase with increasing Sr content because of the fine eutectic Si, the randomly orientated crystal formation, and so on. On the other hand, the material ductility increases in the ADC12 alloy with increasing addition of Sb and Bi elements. A high fracture strain of approximately 14% is obtained for the ADC12-Bi1.5 alloy.
KW - Cast Al alloy
KW - Eutectic Si phase
KW - Material property
KW - Rare earth metal
UR - http://www.scopus.com/inward/record.url?scp=84961137534&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84961137534&partnerID=8YFLogxK
U2 - 10.1007/s12206-016-0218-2
DO - 10.1007/s12206-016-0218-2
M3 - Article
AN - SCOPUS:84961137534
VL - 30
SP - 1139
EP - 1147
JO - Industrial & Engineering Chemistry Research
JF - Industrial & Engineering Chemistry Research
SN - 0888-5885
IS - 3
ER -