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纤维增强金属基复合材料层板热/机械疲劳性能试验研究 被引量：2

Thermal-mechanical Fatigue Behavior of an Unidirectional Fiber-reinforced Metal-matrix Composite Laminates
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摘要 进行了B/Al层板250～350℃温度循环范围内的同相位、反相位的热/机械疲劳寿命试验以及250℃和350℃下的等温疲劳试验与宏微观分析研究。结果表明:同相位与反相位的热/机械疲劳S-N曲线出现相交,以交点做应力水平线FPF,在FPF以上,同相位的热/机械疲劳(TMF)比反相位的要短;而在FPF以下,同相位的TMF寿命比反相位的要长;无论是同相位,还是反相位的TMF寿命,均低于250℃和350℃下的等温疲劳寿命;疲劳裂纹起源于纤维与基体界面,并随着基体的横向开裂而扩展,但最终的疲劳损伤机理不仅取决于应力水平,还取决于试验环境条件;纤维与基体之间界面反应区在TMF的损伤扩展方面起了主要作用。 In this paper, the experimental study and macromicro analysis about the behavior of thermalmechanical fatigue (TMF) were conducted in B/Al metalmatrix composite with thermal cycle of 250℃ to 350℃ The results showed that SN curves of inphase and outphase intersect at the point of FPF, above which the life of inphase TMF is less than that of outofphase TMF but the case is opposite below the point Otherwise the life of TMF is always less than that of 250℃ isothermal and 350℃ isothermal Furthermore,the fatigue crack come of the interface between fiber and matrix material because the interface reaction acts as the primary part of damage on TMF
作者 刘绍伦 何玉怀 温井龙
机构地区 北京航空材料研究院 中国科学院金属研究所
出处 《材料工程》 EI CAS CSCD 北大核心 2003年第10期14-15,22,共3页 Journal of Materials Engineering
基金 国防科技预研基金资助项目 ( 97J17.5 .1HK5 10 5 )
关键词 热/机械疲劳 纤维增强金属基复合材料 同相位 反相位 thermal-mechanical fatigue (TMF) fiber-reinforced metal matrix composite (MMC_f) in-phase out-of-phase
分类号 TG113.255 [金属学及工艺—物理冶金] TB333 [一般工业技术—材料科学与工程]
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参考文献6

  • 1张剑 刘绍伦.纤维金属基复合材料厚层板热应力及应力长强度应因子三维有限元计算[A]..现代数学和力学(MMM)-Ⅷ[C].广州:中山大学出版社,.452-460.
  • 2COKER D, ASBAUGH N E and NICHOLAS T. Analysis of Thermomechanical Cyclic behavior of Unidirectional Metal Matrix Composites[A]. Thermomechnical Fatigue Behavior Materials[C] . ASTM STP1186, 1993, 50--69.
  • 3ALFORD G R, et al. Proposed Framework for Thermomechnical Fatigue (TMF) Life Pridietion of Metal Matrix Composites(MMCs)[A].Thermomechanical Fatigue Behavior of Materials 1993, 176--194.[C].ASTM STP 1186
  • 4ZHANG Jun-qian , JIAN Wu and LIU Shao-lun . Cyclically Thermomechanical Plasticity analysis for a broken fiber in ductile matrix composites using shear lag model[J] . Composites Science and Technology, Elsevier, 2002, 62: 641--654.
  • 5DREW Blatt, THEODORE Nicholas and ALTEN F Grant, Jr.Modeling The Crack Growth Rates of a Titanium Matrix Composite Under Thermomechanical Fatigue [ A ].Thermo -mechanrcal Fatigue Behavior of Materials[C].ASTM STP1263, 1996, 352.
  • 6张剑 刘绍伦.纤维金属基复合材料厚层板热应力及应力长强度应因子三维有限元计算,现代数学和力学(MMM)-Ⅶ[M].广州:中山大学出版社,.452-460.

同被引文献28

  • 1Huang Z M. Micromechanical modeling of fatigue strength of unidirectional fibrous composites[J]. International Journal of Fatigue, 2002, 24(6): 659-670.
  • 2Nicholas T. An approach to fatigue life modeling in titanium-matrix composites[J]. Materials Science and Engineering, 1995, A200(1-2): 29-37.
  • 3Mahesh S, Phoenix S L, Beyerlein I J. Strength distributions and size effects for 2D and 3D composites with Weibull fibers in an elastic matrix[J]. International Journal of Fracture, 2002, 115(1): 41-85.
  • 4Miracle D B. Metal matrix composites-From science to technological significance[J]. Composites Science and Technology, 2005, 65(15-16): 2526-2540.
  • 5Zhang J Q, Wu J, Liu S L. Cyclically thermo-mechanical plasticity analysis for a broken fiber in ductile matrix composites using shear lag model[J]. Composites Science and Technology, 2002, 62(5): 641-654.
  • 6Talreja R. A conceptual framework for interpretation of MMC fatigue[J]. Materials Science and Engineering, 1995, A200 (1-2): 21-28.
  • 7Majumdar B S, Newaz G M. Constituent damage mechanisms in metal matrix composites under fatigue loading and their effects on fatigue life[J]. Materials Science and Engineering, 1995, A200(1-2): 114-129.
  • 8Raghavan P, Ghosh S. A continuum damage mechanics model for unidirectional composites undergoing inteffacial debonding[J]. Mechanics of Materials, 2005, 37(9): 955-979.
  • 9Hanan J C, Ustundag E, Beyerlein I J, et al. Microscale damage evolution and stress redistribution in Ti-SiC fiber composites[J]. Acta Materialia, 2003, 51(14): 4239-4250.
  • 10Beyerlein I J, Phoenix S L. Stress concentrations around muhiple fiber breaks in an elastic matrix with local yielding or debonding using Quadratic Influence Superposition[J]. Journal of the Mechanics and Physics of Solids, 1996, 44(12): 1997-2039.

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材料工程
2003年 第10期

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