Workability of High-Strength Automobile Steel at High Temperatures Using Hot Processing Maps and Electron Backscatter Diffraction

Zhi Qiang Yang; Li Gang Liu; Ge Wang; Tong Guang Zhai; Chun Mei Zhao; Hui Yu; Qiang Li

doi:10.1007/s11665-019-04345-z

Workability of High-Strength Automobile Steel at High Temperatures Using Hot Processing Maps and Electron Backscatter Diffraction

Zhi Qiang Yang, Li Gang Liu, Ge Wang, Tong Guang Zhai, Chun Mei Zhao, Hui Yu, Qiang Li

Chemical and Materials Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

Hot deformation behavior of a high-strength steel Docol 1500 Bor was investigated by compression tests on a thermal–mechanical simulator Gleeble 3500. The workability of tested steel was analyzed by building processing maps at three strains based on the test results of flow stresses. The essential deformation mechanism was further studied based on the deformation texture analysis on a scanning electronic microscope with a TSL-OIM™EBSD system. It was found that that strain can affect the workability of the tested steel remarkably. At the engineering strain of 0.6, obvious textures in martensite mainly include recrystallization textures <110>//ND and other texture components <110>//RD and {001} <100>, etc. Dynamic recrystallization and recrystallization texture component <111>//ND in deformed austenite can contribute to increasing the workability of a steel Docol 1500 Bor. Finally, the optimized deformation conditions of the tested steel were obtained.

Original language	English
Pages (from-to)	6157-6164
Number of pages	8
Journal	Journal of Materials Engineering and Performance
Volume	28
Issue number	10
DOIs	https://doi.org/10.1007/s11665-019-04345-z
State	Published - Oct 1 2019

Bibliographical note

Funding Information:
This work was funded by Major Scientific and Technological Specialties of High-grade CNC Machine Tools and Basic Manufacturing Equipment Grant No. 2018ZX04023002, National Natural Science Foundation of China under Grant No. 51205342, Natural Science Foundation of Hebei Province of China under Grant Nos. E2016203217 and E2016203119.

Funding Information:
This work was funded by Major Scientific and Technological Specialties of High-grade CNC Machine Tools and Basic Manufacturing Equipment Grant No. 2018ZX04023002, National Natural Science Foundation of China under Grant No. 51205342, Natural Science Foundation of Hebei Province of China under Grant Nos. E2016203217 and E2016203119. Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Publisher Copyright:
© 2019, ASM International.

Keywords

high-strength steel
hot deformation
hot processing map
texture
workability

ASJC Scopus subject areas

Materials Science (all)
Mechanics of Materials
Mechanical Engineering

Access to Document

10.1007/s11665-019-04345-z

Cite this

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title = "Workability of High-Strength Automobile Steel at High Temperatures Using Hot Processing Maps and Electron Backscatter Diffraction",

abstract = "Hot deformation behavior of a high-strength steel Docol 1500 Bor was investigated by compression tests on a thermal–mechanical simulator Gleeble 3500. The workability of tested steel was analyzed by building processing maps at three strains based on the test results of flow stresses. The essential deformation mechanism was further studied based on the deformation texture analysis on a scanning electronic microscope with a TSL-OIM{\texttrademark}EBSD system. It was found that that strain can affect the workability of the tested steel remarkably. At the engineering strain of 0.6, obvious textures in martensite mainly include recrystallization textures <110>//ND and other texture components <110>//RD and {001} <100>, etc. Dynamic recrystallization and recrystallization texture component <111>//ND in deformed austenite can contribute to increasing the workability of a steel Docol 1500 Bor. Finally, the optimized deformation conditions of the tested steel were obtained.",

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note = "Funding Information: This work was funded by Major Scientific and Technological Specialties of High-grade CNC Machine Tools and Basic Manufacturing Equipment Grant No. 2018ZX04023002, National Natural Science Foundation of China under Grant No. 51205342, Natural Science Foundation of Hebei Province of China under Grant Nos. E2016203217 and E2016203119. Funding Information: This work was funded by Major Scientific and Technological Specialties of High-grade CNC Machine Tools and Basic Manufacturing Equipment Grant No. 2018ZX04023002, National Natural Science Foundation of China under Grant No. 51205342, Natural Science Foundation of Hebei Province of China under Grant Nos. E2016203217 and E2016203119. Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations. Publisher Copyright: {\textcopyright} 2019, ASM International.",

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N2 - Hot deformation behavior of a high-strength steel Docol 1500 Bor was investigated by compression tests on a thermal–mechanical simulator Gleeble 3500. The workability of tested steel was analyzed by building processing maps at three strains based on the test results of flow stresses. The essential deformation mechanism was further studied based on the deformation texture analysis on a scanning electronic microscope with a TSL-OIM™EBSD system. It was found that that strain can affect the workability of the tested steel remarkably. At the engineering strain of 0.6, obvious textures in martensite mainly include recrystallization textures <110>//ND and other texture components <110>//RD and {001} <100>, etc. Dynamic recrystallization and recrystallization texture component <111>//ND in deformed austenite can contribute to increasing the workability of a steel Docol 1500 Bor. Finally, the optimized deformation conditions of the tested steel were obtained.

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Workability of High-Strength Automobile Steel at High Temperatures Using Hot Processing Maps and Electron Backscatter Diffraction

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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