Virtual melting as a new mechanism of stress relaxation under high strain rate loading

Proceedings of the National Academy of Sciences of the United States of America

Volumn 109, Issue 33, 2012, Pages 13204-13207

  Levitas, Valery I ^a   Ravelo, Ramon ^b,c  

^a IOWA STATE UNIVERSITY   (United States)

^b UNIVERSITY OF TEXAS AT EL PASO   (United States)

^c LOS ALAMOS NATIONAL LABORATORY   (United States)

Author keywords

High strain rate plasticity; Relaxation of non hydrostatic stresses; Thermodynamics under uniaxial straining

Indexed keywords

COPPER;

ARTICLE; CORRELATION ANALYSIS; CRYSTALLIZATION; LEISURE; MOLECULAR DYNAMICS; PRIORITY JOURNAL; SHEAR STRESS; SOLID STATE; STRESS; TEMPERATURE MEASUREMENT; THERMODYNAMICS; VIRTUAL MELTING;

EID: 84865199686     PISSN: 00278424     EISSN: 10916490     Source Type: Journal    
DOI: 10.1073/pnas.1203285109     Document Type: Article

References (23)

1. Frost HJ, Ashby MF (1989) Deformation-Mechanism Maps (Pergamon Press, New York).
2. Meyers MA, Vohringer O, Lubarda VA (2001) The onset of twinning in metals: A constitutive description. Acta Mater 49:4025-4039. (Pubitemid 33018774)
3. Ravelo R, Germann TC, Holian BL, Lomdahl PS (2006) Directional-dependence in shock-induced melting of FCC metals. AIP Conf Proc 845:270-273.
4. An Q, et al. (2008) Melting of Cu under hydrostatic and shock wave loading to high pressures. J Phys Cond Mat 20:095220.
5. Alsayed AM, et al. (2005) Premelting at defects within bulk colloidal crystals. Science 309:1207-1210. (Pubitemid 41174594)
6. Wu CJ, Soderlind P, Glosli JN, Klepeis JE (2009) Shear-induced anisotropic plastic flow from body-centered-cubic tantalum before melting. Nat Mater 8:223-228.
7. Mishin Y, et al. (2001) Structural stability and lattice defects in copper: Ab initio, tight-Binding, and embedded-atom calculations. Phys Rev B Condens Matter Mater Phys 63:224106.
8. GrinfeldMA(1991) Thermodynamic Methods in the Theory of Heterogeneous Systems (Longman, Sussex, UK).
9. Grinfeld MA (1980) On the thermodynamic stability of material. Dokl Akad Nauk SSSR 251:824-828.
10. Sekerka RF, Cahn JW (2004) Solid-liquid equilibrium for non-hydrostatic stress. Acta Mater 52:1663-1668.
11. Levitas VI (2000) Structural changes without stable intermediate state in inelastic material. Parts I and II. Int J Plasticity 16:805-892.
12. Levitas VI (1998) Thermomechanical theory of martensitic phase transformations in inelastic materials. Int J Solids Struct 35:889-940.
13. Ten Wolde PR, Ruiz-MonteroMJ, Frankel D (1995) Numerical evidence for bcc ordering at the surface of a critical fcc nucleus. Phys Rev Lett 75:2714-2717.
14. Steinhardt PJ, Nelson DR, Ronchetti M (1983) Bond-orientational order in liquids and glasses. Phys Rev B Condens Matter Mater Phys 28:784-805.
15. Ravelo R, Holian BL, Germann TC (2009) High strain rates effects in quasi-isentropic compression of solids. AIP Conf Proc 1195:825-830.
16. Jaramillo E, Sewell TD, Strachan A (2007) Atomic-level view of inelastic deformation in a shock loaded molecular crystal. Phys Rev B Condens Matter Mater Phys 76-064112.
17. Levitas VI, Henson BF, Smilowitz LB, Asay BW (2004) Solid-solid phase transformation via virtual melting significantly below the melting temperature. Phys Rev Lett 92:235702.
18. Levitas VI, Henson BF, Smilowitz LB, Asay BW (2006) Solid-solid phase transformation via internal stress-induced virtual melting, significantly below the melting temperature. Application to HMX energetic crystal. J Phys Chem B 110:10105-10119. (Pubitemid 44020273)
19. Levitas VI (2005) Crystal-amorphous and crystal-crystal phase transformations via virtual melting. Phys Rev Lett 95:075701.
20. Levitas VI, Altukhova N (2009) Sublimation via virtual melting inside an elastoplastic material. Phys Rev B Condens Matter Mater Phys 79:212101.
21. Crowhurst JC, Armstrong MR, Knight KB, Zaug JM, Behymer EM (2011) Invariance of the dissipative action at ultrahigh strain rates above the strong shock threshold. Phys Rev Lett 107:144302.
22. Ravelo R, Holian BL, Germann TC, Lomdahl PS (2004) Constant-stress Hugoniostat method for following the dynamical evolution of shocked matter. Phys Rev B Condens Matter Mater Phys 70:014103.
23. Holian BL, Lomdahl PS (1998) Plasticity induced by shock waves in nonequilibrium molecular-dynamics simulations. Science 80:2085-2088. (Pubitemid 28366193)