Comparison of nitrogen alloyed austenitic steels and high strength armor steels impacted at high velocity
1
German-French Research Institute Saint-Louis (ISL), Postfach 1260, D-79574 Weil am Rhein Germany
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Publication type: Journal Article
Publication date: 1999-12-01
scimago Q1
wos Q1
SJR: 1.749
CiteScore: 10.1
Impact factor: 5.7
ISSN: 0734743X, 18793509
Mechanical Engineering
Mechanics of Materials
Civil and Structural Engineering
Automotive Engineering
Aerospace Engineering
Safety, Risk, Reliability and Quality
Ocean Engineering
Abstract
The ballistic performance of a work hardened nitrogen alloyed austenitic steel (P900) was studied by a light gas gun at a projectile velocity of 2500 m/s. To compare ballistic efficiency and residual microstructure to classical martensitic armor steels, tests with a high hardness armor steel were performed. The hardness of the work hardened P900 and the armor steel were 380 HV30 and 500 HV30, respectively. Both steels proved to offer an identical ballistic performance. Measurements of hardness around the crater have shown a strong increase of hardness for P900 whereas the hardness of the armor steel did not change. Compression tests on a split-Hopkinson-pressure-bar show that nitrogen alloyed austenitic steel strain harden very strongly and possess very high strain rate sensitivity. Strain hardening and strain rate sensitivity of high hardness armor steels are very small. Grain sizes in the heat-affected zone near the crater of nitrogen alloyed steels give information about temperature and heating time.
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GOST
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Lach E. et al. Comparison of nitrogen alloyed austenitic steels and high strength armor steels impacted at high velocity // International Journal of Impact Engineering. 1999. Vol. 23. No. 1. pp. 509-517.
GOST all authors (up to 50)
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Lach E., Koerber G., Scharf M., Bohmann A. Comparison of nitrogen alloyed austenitic steels and high strength armor steels impacted at high velocity // International Journal of Impact Engineering. 1999. Vol. 23. No. 1. pp. 509-517.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1016/s0734-743x(99)00100-1
UR - https://doi.org/10.1016/s0734-743x(99)00100-1
TI - Comparison of nitrogen alloyed austenitic steels and high strength armor steels impacted at high velocity
T2 - International Journal of Impact Engineering
AU - Lach, E.
AU - Koerber, G
AU - Scharf, M.
AU - Bohmann, A.
PY - 1999
DA - 1999/12/01
PB - Elsevier
SP - 509-517
IS - 1
VL - 23
SN - 0734-743X
SN - 1879-3509
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{1999_Lach,
author = {E. Lach and G Koerber and M. Scharf and A. Bohmann},
title = {Comparison of nitrogen alloyed austenitic steels and high strength armor steels impacted at high velocity},
journal = {International Journal of Impact Engineering},
year = {1999},
volume = {23},
publisher = {Elsevier},
month = {dec},
url = {https://doi.org/10.1016/s0734-743x(99)00100-1},
number = {1},
pages = {509--517},
doi = {10.1016/s0734-743x(99)00100-1}
}
Cite this
MLA
Copy
Lach, E., et al. “Comparison of nitrogen alloyed austenitic steels and high strength armor steels impacted at high velocity.” International Journal of Impact Engineering, vol. 23, no. 1, Dec. 1999, pp. 509-517. https://doi.org/10.1016/s0734-743x(99)00100-1.