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Phase Composition of Al-Si Coating from the Initial State to the Hot-Stamped Condition.

作者信息

Kucera Vojtech, Cabibbo Marcello, Prusa Filip, Fojt Jaroslav, Petr-Soini Jaroslav, Pilvousek Tomas, Kolarikova Marie, Vojtech Dalibor

机构信息

Department of Metals and Corrosion Engineering, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague 6, Czech Republic.

Press Shop and Welding Shop Technical Service, ŠKODA AUTO a.s., tř. Václava Klementa 869, 293 01 Mladá Boleslav, Czech Republic.

出版信息

Materials (Basel). 2021 Feb 27;14(5):1125. doi: 10.3390/ma14051125.

DOI:10.3390/ma14051125
PMID:33673693
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7957749/
Abstract

The chemical and phase composition of the coating and the coating/substrate interface of an Al-Si-coated 22MnB5 hot stamped steel was investigated by means of SEM-EDS, XRD, micro-XRD and electron diffraction. Moreover, the surface profile was analyzed by XPS and roughness measurements. The XPS measurements showed that the thickness of the Si and Al oxide layers increased from 14 to 76 nm after die-quenching, and that the surface roughness increased as well as a result of volume changes caused by phase transformations. In addition to the FeAl(Si) and FeAl phases and the interdiffusion layer forming complex structures in the coating, electron diffraction confirmed the presence of an FeAl phase, and also revealed very thin layers of Fe(Al,Si)C, Fe(Al,Si) and Al-bearing rod-shaped particles in the immediate vicinity of the steel interface. Moreover, the scattered nonuniform layer of the FeAlSi phase was identified in the outermost layer of the coating. Despite numerous studies devoted to researching the phase composition of the Al-Si coating applied to hot stamped steel, electron diffraction revealed very thin layers and particles on the coating/substrate interface and outermost layer, which have not been analyzed in detail.

摘要
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/bd67683b964b/materials-14-01125-g015.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/9fe31944e8fe/materials-14-01125-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/48175a90942a/materials-14-01125-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/76e836625832/materials-14-01125-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/ecacfdc73d17/materials-14-01125-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/cf309403d6da/materials-14-01125-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/6c42ea346f71/materials-14-01125-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/f346ab1a0d2f/materials-14-01125-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/dbdb14870de9/materials-14-01125-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/6a026585a711/materials-14-01125-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/989ed859602e/materials-14-01125-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/f0b739d2b8f7/materials-14-01125-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/1e41cde00b5c/materials-14-01125-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/8785a54293f8/materials-14-01125-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/6a09615447d8/materials-14-01125-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/bd67683b964b/materials-14-01125-g015.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/9fe31944e8fe/materials-14-01125-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/48175a90942a/materials-14-01125-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/76e836625832/materials-14-01125-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/ecacfdc73d17/materials-14-01125-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/cf309403d6da/materials-14-01125-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/6c42ea346f71/materials-14-01125-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/f346ab1a0d2f/materials-14-01125-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/dbdb14870de9/materials-14-01125-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/6a026585a711/materials-14-01125-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/989ed859602e/materials-14-01125-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/f0b739d2b8f7/materials-14-01125-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/1e41cde00b5c/materials-14-01125-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/8785a54293f8/materials-14-01125-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/6a09615447d8/materials-14-01125-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a280/7957749/bd67683b964b/materials-14-01125-g015.jpg

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本文引用的文献

1
Characterization of Low-Symmetry Structures from Phase Equilibrium of Fe-Al System-Microstructures and Mechanical Properties.基于Fe-Al系相平衡的低对称结构表征——微观组织与力学性能
Materials (Basel). 2015 Mar 4;8(3):914-931. doi: 10.3390/ma8030914.
2
Phase equilibria and structural investigations in the system Al-Fe-Si.铝 - 铁 - 硅体系中的相平衡与结构研究
Intermetallics (Barking). 2011 Dec;19(12):1919-1929. doi: 10.1016/j.intermet.2011.05.003.