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Research Output 2011 2019

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2019

Geochemical and geomechanical alteration of siliciclastic reservoir rock by supercritical CO2-saturated brine formed during geological carbon sequestration

Fuchs, S. J., Espinoza, D. N., Lopano, C. L., Akono, A-T. & Werth, C. J., Sep 1 2019, In : International Journal of Greenhouse Gas Control. 88, p. 251-260 10 p.

Research output: Contribution to journalArticle

reservoir rock
carbon sequestration
brine
Rocks
Feldspar

Influence of geochemistry on toughening behavior of organic-rich shale

Akono, A. T. & Kabir, P., Aug 1 2019, In : Acta Geotechnica. 14, 4, p. 1129-1142 14 p.

Research output: Contribution to journalArticle

Geochemistry
Toughening
Shale
shale
geochemistry
Geopolymers
Pore structure
Fibers
Composite materials
Microporosity
3 Citations (Scopus)

Modeling CO 2 -Induced Alterations in Mt. Simon Sandstone via Nanomechanics

Akono, A-T., Kabir, P., Shi, Z., Fuchs, S., Tsotsis, T. T., Jessen, K. & Werth, C. J., May 1 2019, In : Rock Mechanics and Rock Engineering. 52, 5, p. 1353-1375 23 p.

Research output: Contribution to journalArticle

Nanomechanics
Feldspar
indentation
Sandstone
Indentation
2018
9 Citations (Scopus)

Friction and fracture characteristics of engineered crumb-rubber concrete at microscopic lengthscale

Akono, A. T., Chen, J. & Kaewunruen, S., Jun 30 2018, In : Construction and Building Materials. 175, p. 735-745 11 p.

Research output: Contribution to journalArticle

Rubber
Concretes
Friction
Lubrication
Reinforced concrete
4 Citations (Scopus)

Intrinsic mechanical properties of calcium aluminate crystals via the linear comparison composite method coupled with nano-indentation

Akono, A. T., Cui, Y., Kataruka, A., Anderson, K. & Kabir, P., Mar 1 2018, In : Mechanics of Materials. 118, p. 74-84 11 p.

Research output: Contribution to journalArticle

Nanoindentation
cements
nanoindentation
calcium
Calcium
2017
2 Citations (Scopus)

Fracture properties of the alkali silicate gel using microscopic scratch testing

Johnson, C. V., Chen, J., Hasparyk, N. P., Monteiro, P. J. M. & Akono, A. T., May 1 2017, In : Cement and Concrete Composites. 79, p. 71-75 5 p.

Research output: Contribution to journalArticle

Silicates
Alkalies
Gels
Fracture mechanics
Testing

Fragility assessment of bovine cortical bone using scratch tests

Mendu, K., Kataruka, A., Puthuvelil, J. & Akono, A. T., Nov 30 2017, In : Journal of Visualized Experiments. 2017, 129, e56488.

Research output: Contribution to journalArticle

Bone Fractures
Bone
Bone and Bones
Mechanics
Osteoporosis
12 Citations (Scopus)

Microscopic assessment of bone toughness using scratch tests

Kataruka, A., Mendu, K., Okeoghene, O., Puthuvelil, J. & Akono, A. T., Jun 1 2017, In : Bone Reports. 6, p. 17-25 9 p.

Research output: Contribution to journalArticle

Haversian System
Bone and Bones
Collagen
Anisotropy
Bone Fractures
1 Citation (Scopus)

Microscopic toughness of viscous solids via scratching: From amorphous polymers to gas shale

Akono, A. T. & Ulm, F. J., Sep 1 2017, In : Journal of Nanomechanics and Micromechanics. 7, 3, 04017009.

Research output: Contribution to journalArticle

Toughness
Sedimentary rocks
Geophysics
Energy harvesting
Composite materials
2 Citations (Scopus)

Microstructure–toughness relationships in calcium aluminate cement–polymer composites using instrumented scratch testing

Anderson, K. & Akono, A. T., Nov 1 2017, In : Journal of Materials Science. 52, 22, p. 13120-13132 13 p.

Research output: Contribution to journalArticle

Calcium
Cements
Fracture toughness
Composite materials
Testing
11 Citations (Scopus)

Rate-independent fracture toughness of gray and black kerogen-rich shales

Kabir, P., Ulm, F. J. & Akono, A. T., Dec 1 2017, In : Acta Geotechnica. 12, 6, p. 1207-1227 21 p.

Research output: Contribution to journalArticle

Kerogen
fracture toughness
kerogen
Shale
Fracture toughness
2016
15 Citations (Scopus)
Load testing
Shale
Diamonds
Bearings (structural)
Fracture testing
14 Citations (Scopus)

Microscopic fracture characterization of gas shale via scratch testing

Akono, A. T. & Kabir, P., Dec 1 2016, In : Mechanics Research Communications. 78, p. 86-92 7 p.

Research output: Contribution to journalArticle

Shale
fracture mechanics
Testing
gases
Fracture mechanics
10 Citations (Scopus)
Brittleness
Fracture mechanics
Fracture toughness
Computer simulation
2015
4 Citations (Scopus)

Micromechanics-based estimates on the macroscopic fracture toughness of micro-particulate composites

Bouché, G. A. & Akono, A. T., Nov 1 2015, In : Engineering Fracture Mechanics. 148, p. 243-257 15 p.

Research output: Contribution to journalArticle

Micromechanics
Fracture toughness
Composite materials
Fracture mechanics
Volume fraction
46 Citations (Scopus)

Nano-chemo-mechanical signature of conventional oil-well cement systems: Effects of elevated temperature and curing time

Krakowiak, K. J., Thomas, J. J., Musso, S., James, S., Akono, A. T. & Ulm, F. J., Jan 1 2015, In : Cement and Concrete Research. 67, p. 103-121 19 p.

Research output: Contribution to journalArticle

Oil wells
Curing
Cements
Silicon Dioxide
Fracture toughness
2014
55 Citations (Scopus)

An improved technique for characterizing the fracture toughness via scratch test experiments

Akono, A. T. & Ulm, F. J., May 15 2014, In : Wear. 313, 1-2, p. 117-124 8 p.

Research output: Contribution to journalArticle

fracture strength
Fracture toughness
blades
Experiments
Crack propagation
2012
58 Citations (Scopus)

Experimental determination of the fracture toughness via microscratch tests: Application to polymers, ceramics, and metals

Akono, A. T., Randall, N. X. & Ulm, F. J., Jan 28 2012, In : Journal of Materials Research. 27, 2, p. 485-493 9 p.

Research output: Contribution to journalArticle

fracture strength
Fracture toughness
Polymers
Metals
ceramics
31 Citations (Scopus)

Fracture scaling relations for scratch tests of axisymmetric shape

Akono, A. T. & Ulm, F. J., Mar 1 2012, In : Journal of the Mechanics and Physics of Solids. 60, 3, p. 379-390 12 p.

Research output: Contribution to journalArticle

scaling
probes
fracture strength
Fracture toughness
punches
2011
66 Citations (Scopus)

Scratching as a fracture process: From butter to steel

Akono, A. T., Reis, P. M. & Ulm, F. J., May 20 2011, In : Physical Review Letters. 106, 20, 204302.

Research output: Contribution to journalArticle

steels
waxes
limestone
miniaturization
paraffins
64 Citations (Scopus)

Scratch test model for the determination of fracture toughness

Akono, A. T. & Ulm, F. J., Jan 1 2011, In : Engineering Fracture Mechanics. 78, 2, p. 334-342 9 p.

Research output: Contribution to journalArticle

Energy release rate
Fracture toughness
Ointments
Sandstone
Fracture mechanics