Room temperature elastic moduli and Vickers hardness of hot-pressed LLZO cubic garnet
Jennifer E Ni
1
,
Eldon D. Case
1
,
Jeffrey S Sakamoto
1
,
Ezhiyl Rangasamy
1
,
Jeffrey B Wolfenstine
2
1
2
Army Research Laboratory, RDRL-SED-C, Adelphi, USA
|
Publication type: Journal Article
Publication date: 2012-07-06
scimago Q1
wos Q2
SJR: 0.802
CiteScore: 7.6
Impact factor: 3.9
ISSN: 00222461, 15734803
General Materials Science
Mechanical Engineering
Mechanics of Materials
Abstract
Cubic garnet Li6.24La3Zr2Al0.24O11.98 (LLZO) is a candidate material for use as an electrolyte in Li–Air and Li–S batteries. The use of LLZO in practical devices will require LLZO to have good mechanical integrity in terms of scratch resistance (hardness) and an adequate stiffness (elastic modulus). In this paper, the powders were fabricated by powder processing of cast ingots. All specimens were then densified via hot pressing. The room temperature elastic moduli (Young’s modulus, shear modulus, bulk modulus, and Poisson’s ratio) and hardness were measured by resonant ultrasound spectroscopy, and Vickers indentation, respectively. For volume fraction porosity, P, the Young’s modulus was 149.8 ± 0.4 GPa (P = 0.03) and 132.6 ± 0.2 GPa (P = 0.06). The mean Vickers hardness was 6.3 ± 0.3 GPa for P = 0.03 and 5.2 ± 0.4 for P = 0.06.
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Ni J. E. et al. Room temperature elastic moduli and Vickers hardness of hot-pressed LLZO cubic garnet // Journal of Materials Science. 2012. Vol. 47. No. 23. pp. 7978-7985.
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Ni J. E., Case E. D., Sakamoto J. S., Rangasamy E., Wolfenstine J. B. Room temperature elastic moduli and Vickers hardness of hot-pressed LLZO cubic garnet // Journal of Materials Science. 2012. Vol. 47. No. 23. pp. 7978-7985.
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TY - JOUR
DO - 10.1007/s10853-012-6687-5
UR - https://doi.org/10.1007/s10853-012-6687-5
TI - Room temperature elastic moduli and Vickers hardness of hot-pressed LLZO cubic garnet
T2 - Journal of Materials Science
AU - Ni, Jennifer E
AU - Case, Eldon D.
AU - Sakamoto, Jeffrey S
AU - Rangasamy, Ezhiyl
AU - Wolfenstine, Jeffrey B
PY - 2012
DA - 2012/07/06
PB - Springer Nature
SP - 7978-7985
IS - 23
VL - 47
SN - 0022-2461
SN - 1573-4803
ER -
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BibTex (up to 50 authors)
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@article{2012_Ni,
author = {Jennifer E Ni and Eldon D. Case and Jeffrey S Sakamoto and Ezhiyl Rangasamy and Jeffrey B Wolfenstine},
title = {Room temperature elastic moduli and Vickers hardness of hot-pressed LLZO cubic garnet},
journal = {Journal of Materials Science},
year = {2012},
volume = {47},
publisher = {Springer Nature},
month = {jul},
url = {https://doi.org/10.1007/s10853-012-6687-5},
number = {23},
pages = {7978--7985},
doi = {10.1007/s10853-012-6687-5}
}
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MLA
Copy
Ni, Jennifer E., et al. “Room temperature elastic moduli and Vickers hardness of hot-pressed LLZO cubic garnet.” Journal of Materials Science, vol. 47, no. 23, Jul. 2012, pp. 7978-7985. https://doi.org/10.1007/s10853-012-6687-5.