Acta Metall Sin  1990, Vol. 26 Issue (1): 32-37    DOI:

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STATISTICAL MODEL FOR FRACTURE TOUGHNESS OF A MODIFIED Al-7Si-0.45Mg CAST ALLOY

ZHANG Guobin;CHEN Changqi Beijing University of Aeronautics and Astronautics Department of Materials Science and Engineering;Beijing University of Aeronautics and Astronautics; Beijing 100083

ZHANG Guobin;CHEN Changqi Beijing University of Aeronautics and Astronautics Department of Materials Science and Engineering;Beijing University of Aeronautics and Astronautics; Beijing 100083. STATISTICAL MODEL FOR FRACTURE TOUGHNESS OF A MODIFIED Al-7Si-0.45Mg CAST ALLOY. Acta Metall Sin, 1990, 26(1): 32-37.

Abstract References Related Articles Recommended Metrics Download:  PDF(771KB)  Export:  BibTeX | EndNote (RIS)       Abstract  The statistical model for the fracture toughness of a modified Al-7Si-0.45Mg cast alloy has been proposed on the basis of analysis of the correlationbetween the size distribution of crack nuclei and Si particles and of the microme-chanism of fracture. The suitable criterion of fracture toughness according to themodel has been given. The model has found a good explanation for the fracture.feature, fracture toughness and microstructure, and agreed with the experiments-very well. Key words:  cast Al alloy      fracture toughness      statistical model      Received:  18 January 1990      Service E-mail this article Add to citation manager E-mail Alert RSS （） Articles by authors URL:  https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1990/V26/I1/32 1 张国斌,陈昌麒,田世兴,邬冠华.兵器材料科学与工程,1988;(5) :42 2 张国斌,北京航空学院硕士论文,1986 3 张国斌,陈昌麒,第五届全国断裂学术会议论文集,桂林,1988:1520 4 张国斌,陈昌麒,机械工程材料,1988;12(5) :4 5 侯纯孝,清华大学博士论文,1985 6 Matthews J R, Shack W, McClintock F A. J Am Ceram Soc, 1976; 59: 304 7 Tsann Lin, Evans A G, Ritchie R O. Acta Metall, 1986; 34: 2205 8 McMeeking R M. J Mech Phys Solids, 1977; 25: 357 9 Tracey D M. Trans AIME, Ser. H: J Eng Mater Technol, 1976; 98: 146 10 Uhlmann W, Knesl Z, Kuna M, Bilek Z. Int S Fract, 1976; 12: 507 11 邬冠华,北京航空学院硕士论文,1985 [1] GU Ruicheng, ZHANG Jian, ZHANG Mingyang, LIU Yanyan, WANG Shaogang, JIAO Da, LIU Zengqian, ZHANG Zhefeng. Fabrication of Mg-Based Composites Reinforced by SiC Whisker Scaffolds with Three-Dimensional Interpenetrating-Phase Architecture and Their Mechanical Properties[J]. 金属学报, 2022, 58(7): 857-867. [2] HU Chen, PAN Shuai, HUANG Mingxin. Strong and Tough Heterogeneous TWIP Steel Fabricated by Warm Rolling[J]. 金属学报, 2022, 58(11): 1519-1526. [3] CHEN Ruirun, CHEN Dezhi, WANG Qi, WANG Shu, ZHOU Zhecheng, DING Hongsheng, FU Hengzhi. Research Progress on Nb-Si Base Ultrahigh Temperature Alloys and Directional Solidification Technology[J]. 金属学报, 2021, 57(9): 1141-1154. [4] Yizhe LI, Baoming GONG, Xiuguo LIU, Dongpo WANG, Caiyan DENG. Out-of-Plane Constraint Effect on the Fracture Toughness of Single Edge Notch Tension Specimens[J]. 金属学报, 2018, 54(12): 1785-1791. [5] Xiangli FENG,Lei WANG,Yang LIU. STUDY ON MICROSTRUCTURE AND DYNAMIC FRACTURE BEHAVIOR OF Q460 STEEL WELDING JOINTS[J]. 金属学报, 2016, 52(7): 787-796. [6] Yong SHEN,Jian XU. PREPARATION AND MECHANICAL PROPERTIES OF Zr46.9Cu45.5Al5.6Y2.0 IN SITU BMG COMPOSITES WITH B2-CuZr PHASE[J]. 金属学报, 2015, 51(11): 1407-1415. [7] ZHU Zhendong, XU Jian. Cu56Hf27Ti17 BULK METALLIC GLASS WITH HIGH FRACTURE TOUGHNESS[J]. 金属学报, 2013, 49(8): 969-975. [8] BI Zongyue, YANG Jun, NIU Jing, ZHANG Jianxun. FRACTURE TOUGHNESS OF WELDED JOINTS OF X100 HIGH-STRENGTH PIPELINE STEEL[J]. 金属学报, 2013, 49(5): 576-582. [9] SUN Qian, WANG Xiaonan, ZHANG Shunhu, DU Linxiu, DI Hongshuang. EFFECT OF MICROSTRUCTURE ON FRACTURE TOUGHNESS OF NEW TYPE HOT—ROLLED NANO—SCALE PRECIPITATION STRENGTHENING STEEL[J]. 金属学报, 2013, 49(12): 1501-1507. [10] JIA Xiaojiao ZHANG Jun SU Haijun SONG Kan LIU Lin FU Hengzhi. MICROSTRUCTURES AND MECHANICAL PROPERTIES OF Al2O3–BASIC EUTECTIC IN SITU COMPOSITES DIRECTIONALLY SOLIDIFIED BY LASER FLOATING ZONE REMELTING[J]. 金属学报, 2012, 48(12): 1479-1486. [11] MA Yue PAN Tao JIANG Bo CUI Yinhui SU Hang PENG Yun . STUDY OF THE EFFECT OF SULFUR CONTENTS ON FRACTURE TOUGHNESS OF RAILWAY WHEEL STEELS FOR HIGH SPEED TRAIN[J]. 金属学报, 2011, 47(8): 978-983. [12] ZHANG Xin ZHANG Jinyu LIU Gang ZHANG Guojun SUN Jun. LENGTH SCALE DEPENDENT DUCTILITY AND FRACTURE BEHAVIOR OF Cu/Nb NANOSTRUCTURED METALLIC MULTILAYERS[J]. 金属学报, 2011, 47(2): 246-250. [13] XU Zejian; LI Yulong; LI Na; LIU Yuanyong. EFFECT OF LOADING RATE ON MODE I DYNAMIC FRACTURE TOUGHNESS OF HIGH STRENGTH STEELS 40Cr AND 30CrMnSiNi2A[J]. 金属学报, 2006, 42(9): 965-970 . [14] WANG Yugui; QIAO Lijie; GAO Kewei; SU Yanjing; CHU Wuyang; WANG Zhonglin. Measurement of the Fracture Toughness and Critical Stress for Cracking in SnO2 Nanobelts Using Nanoindentation[J]. 金属学报, 2004, 40(6): 594-. [15] LIANG Yilong; LEI Min; ZHONG Shuhui; JIANG Shan (Guizhou University of Technology; Guiyang 550003)Correspondent: LIANG Yilong; associate professor; Tel. (0851)4818011; Fax: (0851)4818381. THE RELATIONSHIP BETWEEN FRACTURE TOUGHNESS AND NOTCH TOUGHNESS, TENSILE DUCTILITIES IN LATH MARTENSITE STEEL[J]. 金属学报, 1998, 34(9): 950-958. No Suggested Reading articles found! Viewed Full text Abstract Cited   Shared      Discussed