Simulating Method of Uniaxial Stress Distribution of High Strength Metal Materials

Zhibo Wu, Tiehua Ma, Yanbing Zhang

Ekoloji, 2019, Issue 108, Pages: 705-709

OPEN ACCESS

Download Full Text (PDF)

Abstract

Molecular dynamics method is introduced into the finite element method of continuum by using composite finite element method. Morse potential function is used to deduce the uniaxial stress distribution law of high strength metal materials, and a composite model composed of grains, grain boundaries and voids is established. The effect of grain size on the non-linear stress-strain relationship and the change of macro-elastic modulus of materials during unidirectional linear step-by-step loading were studied by means of FEPg software. It can be concluded from the analysis experiments that with the decrease of grain size, the non-linear characteristics of high strength metal materials are gradually enhanced, and the extensibility of materials is also enhanced.

Keywords

high strength, metallic materials, uniaxial, stress distribution, simulation

References

  • Kermanizadeh A, Jantzen K, Ward M B, et al. (2017) Nanomaterial induced cell death in pulmonary and hepatic cells following exposure to three different metallic materials: the role of autophagy and apoptosis. Nanotoxicology 11 (2):184-200.
  • Yi Z, Wu L, Guo X, et al. (2017) Additive Manufacturing of Metallic Materials: A Review. Journal of Materials Engineering & Performance 12 (7):1-13.
  • Yan Y, Wang LL, Chen R, et al. (2017) Effect of Doped Transition Metal on Thermal Stability and Magnetic Properties of γ′-Fe4 N. Journal of Jilin University (Science Edition) 3 (55):132.
  • Baumann C, Beil A, Jurt S, et al. (2017) Structural Adaptation of a Protein to Increased Metal Stress: NMR Structure of a Marine Snail Metallothionein with an Additional Domain. Angewandte Chemie 56 (16):4617.
  • Gruntman M, Anders C, Mohiley A, et al. (2017) Clonal integration and heavy-metal stress: responses of plants with contrasting evolutionary backgrounds. Evolutionary Ecology 31 (3):305-316.
  • Pham HN, Michalet S, Bodillis J, et al. (2017) Impact of metal stress on the production of secondary metabolites in Pteris vittata L. and associated rhizosphere bacterial communities. Environmental Science & Pollution Research 24 (20):16735-16750.
  • Decou R, Bigot S, Hourdin P, et al. (2019) Comparative in vitro/in situ approaches to three biomarker responses of Myriophyllum alterniflorum exposed to metal stress. Chemosphere 222 (21):29.
  • Han W, He Y, Wang C, Ji C, He Y, Guo Z (2019) Experimental study on the damage ability of reactive fragments fabricated by zr-based metallic glass (An environment perspective). Ekoloji 28 (UNSP e107551107):4885-4890.
  • Ding W, Zhang L, Li Z, et al. (2017) Review on grinding-induced residual stresses in metallic materials. International Journal of Advanced Manufacturing Technology 88 (9-12):2939-2968.
  • Wang M, Wu J, Wu H, et al. (2017) A Novel Approach to Estimate the Plastic Anisotropy of Metallic Materials Using Cross-Sectional Indentation Applied to Extruded Magnesium Alloy AZ31B. Materials 10 (9):1065-1066.
  • Wang H, Zheng Y, Liu J, et al. (2017) In vitro corrosion properties and cytocompatibility of Fe-Ga alloys as potential biodegradable metallic materials. Materials Science & Engineering C 71:60-66.