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Crack Initiation under Cyclic Compression

FENG Meibin CHEN Xinzeng HE Jiawen 2nd Automobile Works , Shiyan , Hubei , China. Ningbo University , Ningbo , Zhenjiang , China. Xi'an Jiaotong University , Xi'an , China.

材料科学技术（英文）

The crack initiation behaviour under cyclic compression foy the notched specimen was investigated. It has been found that the cycles for crack initiation increase with the increase of compressive mean stress, and the decrease of stress amplitude. The stress amplitude plays a more important role than...

关键词: crack initiation , null , null

FORMATION OFδ-PHASE IN AUSTENITIC STEELS

YANG Ruzeng , DAI Qixun (Jiangsu University of Science and Technology , Zhenjiang , Jiangsu , China Manuscript received 10 January , 1995)

金属学报(英文版)

The relationship between the γ/(γ+δ) boundary temperature Tδ of austenitic steels and the equivalent weights of [Crl and [Ni] and the variation rule of the δ—phase volume with the temperature are studied With the aid of computer,the regressives expression derived from the experimental results are Tδ...

关键词: : austenitic steel , null , null , null

Wear Characteristics of Zirconia Toughened Ceramic Drawing Dies

Zhigang CHEN (Ceramic Research Lab. , Jiangsu University of Science and Technology , 212013 , Zhenjiang , China)

材料科学技术（英文）

Wear resistance of several zirconia toughened ceramics in comparison with a metal-ceramic CoWC has been studied in drawing wire field test. Result indicates that the harder the ceramic die, the longer the service life. Excellent wear resistance of ceramic die is obtained with a very high hardness (1...

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