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动态应变时效在中温循环蠕变中的作用 被引量:1

The Application of Dynamic Strain Ageing During the Middle Temperature Cycling Creep
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摘要 研究了不同成份的铝镁合金在中温和不同应力作用下的动态应变时效,并阐述了动态应变时效在循环蠕变中的作用。指出:中温循环蠕变时,铝镁合金有周期性应变突发出现,且在一定温度和应力范围内,其温度范围与镁含量有关。最后用动态应变时效理论对电镜观察到的中温蠕变应变突发现象给以了解释。 The application of dynamic strain ageing during cycling creep of Al-Mn alloys ,consisting of various compositions,is studied at the middle temperature in this paper.When the Al-Mnalloys is crept cyclically at the middle temperature ,the periodic strain abruptly appears in a certain temperature and stress ranges referred to Mg contents.Eventually,the phenomenonthat the cyding creep abruptly appears may be explained by the theory of the dynamic strainageing by means of the examination of the TEM.
机构地区 沈阳金属研究所
出处 《沈阳工业大学学报》 CAS 1994年第1期7-10,共4页 Journal of Shenyang University of Technology
基金 国家自然科学基金
关键词 动态 应变时效 循环 蠕变 金属 chirculation creep kinetic state strain aging
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  • 1李超,朱世杰.动态应变时效在高温循环蠕变中作用[J].沈阳工业大学学报,1994,16(4):1-6. 被引量:1
  • 2BI桑多尔[美].循环应力与循环应变的基本原理[M].北京:科学出版社,1985.. 被引量:1
  • 3Beukel A Van Den, Kocks U F. The strain dependence of static and dynamic strain aging. Acta Metallurgica, 1982, 30:1 027~1 034. 被引量:1
  • 4Ruggles M B, Krempl E. The influence of test temperature on the ratchetting behaviour of type 304 stainless steel. ASME J. of Eng. Mater. Tech.,1989, 111:378~383. 被引量:1
  • 5Hassan T, Kyriakides S. Ratchetting in cyclic plasticity, Part I:uniaxial behaviour. Int. J.of Plast, 1992, 8:91~116. 被引量:1
  • 6Hassan T, Kyriakides S. Ratchetting of cyclically hardening and softening materials, Part I:uniaxial behavior. Int. J.of Plast, 1994, 10:149~184. 被引量:1
  • 7Xia Z,Kujawski D,Ellyin F. Effect of mean stress and ratcheting stain on fatigue life of steel. Int.J Fatigue, 1996, 18(5):335~341. 被引量:1
  • 8Cheng JingYi, Nemat-Nasser S. A model for experimentally-observed high-strain-rate dynamic strain aging in Titanium. Acta Mater, 2000, 48:3 131~3 144. 被引量:1
  • 9Mulford R A, Kocks U F. New observations on the mechanisms of dynamic strain aging and of Jerky flow. Acta Metallurgica, 1979, 27:1 125~1 134. 被引量:1
  • 10杨显杰,蔡力勋,向阳开.316L 不锈钢的高温单轴应变循环与棘轮行为试验研究[J].西南交通大学学报,1998,33(1):25-29. 被引量:6

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