Intergranular stress study of TC11 titanium alloy after laser shock peening by synchrotron-based high-energy X-ray diffraction
Abstract
The distribution of residual lattice strain as a function of depth were carefully investigated by synchrotron-based high energy X-ray diffraction (HEXRD) in TC11 titanium alloy after laser shock peening (LSP). The results presented big compressive residual lattice strains at surface and subsurface, then tensile residual lattice strains in deeper region, and finally close to zero lattice strains in further deep interior with no plastic deformation thereafter. These evolutions in residual lattice strains were attributed to the balance of direct load effect from laser shock wave and the derivative restriction force effect from surrounding material. Significant intergranular stress was evidenced in the processed sample. The intergranular stress exhibited the largest value at surface, and rapidly decreased with depth increase. The magnitude of intergranular stress was proportional to the severity of the plastic deformation caused by LSP. Two shocks generated larger intergranular stress than one shock.
- Authors:
-
- Hebei Univ. of Science and Technology, Shijiazhuang, Hebei (China). School of Materials Science and Engineering
- Chinese Academy of Sciences (CAS), Shanghai (China). Shanghai Inst. of Applied Physics, Shanghai Synchrotron Radiation Facility
- Univ. of Science and Technology, Beijing (China). State Key Lab. for Advanced Metals and Materials
- Beijing Inst. of Technology, Beijing (China). School of Materials Science and Engineering
- Argonne National Lab. (ANL), Argonne, IL (United States). X-ray Science Division
- Air Force Engineering Univ., Xi’an (China). Science and Technology on Plasma Dynamics Lab.
- Publication Date:
- Research Org.:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- National Key Research and Development Program of China; National Natural Science Foundation of China (NSFC); Fundamental Research Funds for the Central Universities; Chinese Academy of Sciences (CAS). State Key Laboratory for Advanced Metals and Materials; USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1466298
- Alternate Identifier(s):
- OSTI ID: 1438961
- Grant/Contract Number:
- AC02-06CH11357; AC02-06-CH11357
- Resource Type:
- Accepted Manuscript
- Journal Name:
- AIP Advances
- Additional Journal Information:
- Journal Volume: 8; Journal Issue: 5; Journal ID: ISSN 2158-3226
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; intergranular stress (grainorientation-dependent residual stress); laser shock peening (LSP); synchrotron high energy X-ray diffraction (HEXRD); titanium alloy
Citation Formats
Su, R., Li, L., Wang, Y. D., Nie, Z. H., Ren, Y., Zhou, X., and Wang, J. Intergranular stress study of TC11 titanium alloy after laser shock peening by synchrotron-based high-energy X-ray diffraction. United States: N. p., 2018.
Web. doi:10.1063/1.5010016.
Su, R., Li, L., Wang, Y. D., Nie, Z. H., Ren, Y., Zhou, X., & Wang, J. Intergranular stress study of TC11 titanium alloy after laser shock peening by synchrotron-based high-energy X-ray diffraction. United States. https://doi.org/10.1063/1.5010016
Su, R., Li, L., Wang, Y. D., Nie, Z. H., Ren, Y., Zhou, X., and Wang, J. Tue .
"Intergranular stress study of TC11 titanium alloy after laser shock peening by synchrotron-based high-energy X-ray diffraction". United States. https://doi.org/10.1063/1.5010016. https://www.osti.gov/servlets/purl/1466298.
@article{osti_1466298,
title = {Intergranular stress study of TC11 titanium alloy after laser shock peening by synchrotron-based high-energy X-ray diffraction},
author = {Su, R. and Li, L. and Wang, Y. D. and Nie, Z. H. and Ren, Y. and Zhou, X. and Wang, J.},
abstractNote = {The distribution of residual lattice strain as a function of depth were carefully investigated by synchrotron-based high energy X-ray diffraction (HEXRD) in TC11 titanium alloy after laser shock peening (LSP). The results presented big compressive residual lattice strains at surface and subsurface, then tensile residual lattice strains in deeper region, and finally close to zero lattice strains in further deep interior with no plastic deformation thereafter. These evolutions in residual lattice strains were attributed to the balance of direct load effect from laser shock wave and the derivative restriction force effect from surrounding material. Significant intergranular stress was evidenced in the processed sample. The intergranular stress exhibited the largest value at surface, and rapidly decreased with depth increase. The magnitude of intergranular stress was proportional to the severity of the plastic deformation caused by LSP. Two shocks generated larger intergranular stress than one shock.},
doi = {10.1063/1.5010016},
journal = {AIP Advances},
number = 5,
volume = 8,
place = {United States},
year = {Tue May 01 00:00:00 EDT 2018},
month = {Tue May 01 00:00:00 EDT 2018}
}
Web of Science
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Works referencing / citing this record:
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