A quantitative model for describing crystal nucleation in pressurized solidification during squeeze casting

被引：39

作者：

Han, Zhiqiang ^{[1
]}

Huang, Xiaoran ^{[1
]}

Luo, Alan A. ^{[2
]}

Sachdev, Anil K. ^{[2
]}

Liu, Baicheng ^{[1
,3
]}

机构：

[1] Tsinghua Univ, Dept Mech Engn, Minist Educ, Key Lab Adv Mat Proc Technol, Beijing 100084, Peoples R China

[2] Gen Motors Global Res & Dev Ctr, Chem Sci & Mat Syst Lab, Warren, MI 48090 USA

[3] Tsinghua Univ, State Key Lab Automot Safety & Energy, Beijing 100084, Peoples R China

来源：

SCRIPTA MATERIALIA | 2012年 / 66卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Squeeze casting; Aluminum alloys; Nucleation of phase transformations; Analytical methods; MICROSTRUCTURE FORMATION; STRUCTURAL MODEL; KINETICS;

D O I：

10.1016/j.scriptamat.2011.10.041

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A model describing the thermal and mechanical effects on heterogeneous nucleation during squeeze casting of metal alloys has been developed based on classical nucleation theory. Squeeze casting experiments were carried out using an aluminum alloy, where the temperature change inside the casting during pressurized solidification was measured and the grain density at the locations where the temperature was measured was determined. By correlating the grain density and local thermal history, a quantitative function of nucleation rate with pressure and temperature was obtained. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：215 / 218

页数：4

共 50 条

[1] MICROSTRUCTURE SIMULATION IN PRESSURIZED SOLIDIFICATION DURING SQUEEZE CASTING OF ALUMINUM ALLOY A356
Li, Yanda
Han, Zhiqiang
Luo, Alan A.
Sachdev, Anil K.
Liu, Baicheng
TMS 2012 141ST ANNUAL MEETING & EXHIBITION - SUPPLEMENTAL PROCEEDINGS, VOL 2: MATERIALS PROPERTIES, CHARACTERIZATION, AND MODELING, 2012, : 339 - 346
[2] A New Numerical Simulation Model for Shrinkage Defect during Squeeze Casting Solidification Process
Hou, Hua
Ge, Honghao
Zhao, Yuhong
Yang, Weiming
BIOTECHNOLOGY, CHEMICAL AND MATERIALS ENGINEERING II, PTS 1 AND 2, 2013, 641-642 : 309 - 314
[3] A FINITE-ELEMENT APPROACH FOR MODELING METAL FLOW AND PRESSURIZED SOLIDIFICATION IN THE SQUEEZE CASTING PROCESS
GETHIN, DT
LEWIS, RW
TADAYON, MR
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, 1992, 35 (04) : 939 - 950
[4] A thermomechanical finite element model for simulating the solidification process of squeeze casting
Han, Z. Q.
Zhu, W.
Liu, B. C.
INTERNATIONAL JOURNAL OF CAST METALS RESEARCH, 2009, 22 (1-4) : 119 - 122
[5] Study on Pressurized Solidification Behavior and Microstructure Characteristics of Squeeze Casting Magnesium Alloy AZ91D
Zhiqiang Han
Haowei Pan
Yanda Li
Alan A. Luo
Anil K. Sachdev
Metallurgical and Materials Transactions B, 2015, 46 : 328 - 336
[6] Study on Pressurized Solidification Behavior and Microstructure Characteristics of Squeeze Casting Magnesium Alloy AZ91D
Han, Zhiqiang
Pan, Haowei
Li, Yanda
Luo, Alan A.
Sachdev, Anil K.
METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE, 2015, 46 (01): : 328 - 336
[7] Pleomorphism and multidirectional combination of Si crystal nucleation during solidification
Lianxin Li
Tinghong Gao
Quan Xie
Qian Chen
Zean Tian
Yongchao Liang
Bei Wang
Journal of Materials Science, 2021, 56 : 15960 - 15970
[8] Pleomorphism and multidirectional combination of Si crystal nucleation during solidification
Li, Lianxin
Gao, Tinghong
Xie, Quan
Chen, Qian
Tian, Zean
Liang, Yongchao
Wang, Bei
JOURNAL OF MATERIALS SCIENCE, 2021, 56 (28) : 15960 - 15970
[9] DIRECT MICROSCOPY OF ALLOY NUCLEATION, SOLIDIFICATION AND AGING (COARSENING) DURING STIR CASTING
SMEULDERS, RJ
MISCHGOFSKY, FH
FRANKENA, HJ
JOURNAL OF CRYSTAL GROWTH, 1986, 76 (01) : 151 - 169
[10] Evaluation of crystal multiplication at mold wall during solidification of casting
Akagiri, Tomohiro
Natsume, Yukinobu
Ohsasa, Kenichi
Matsuura, Kiyotaka
ISIJ INTERNATIONAL, 2008, 48 (03) : 355 - 361

← 1 2 3 4 5 →