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  • Leon M Keer
2020

An analytical model to predict diffusion induced intermetallic compounds growth in Cu-Sn-Cu sandwich structures

Wang, Y., Yao, Y. & Keer, L., Jan 2020, In : Theoretical and Applied Mechanics Letters. 10, 1, p. 33-37 5 p.

Research output: Contribution to journalArticle

Open Access

Interfacial fracture toughness of sintered hybrid silver interconnects

Wang, S., Kirchlechner, C., Keer, L., Dehm, G. & Yao, Y., Mar 1 2020, In : Journal of Materials Science. 55, 7, p. 2891-2904 14 p.

Research output: Contribution to journalArticle

1 Scopus citations
2019

3D-printed biomimetic surface structures with abnormal friction properties

Yuan, W., Yao, Y., Keer, L., Jiao, Y., Yu, J., Li, Q. & Feng, X. Q., Jan 2019, In : Extreme Mechanics Letters. 26, p. 46-52 7 p.

Research output: Contribution to journalArticle

2 Scopus citations

A closed-form solution for the horizontally aligned thermal-porous spheroidal inclusion in a half-space and its applications in geothermal reservoirs

Zhang, X., Lyu, D., Li, P., Jin, X., Liaw, P. K. & Keer, L. M., Jan 2019, In : Computers and Geosciences. 122, p. 15-24 10 p.

Research output: Contribution to journalArticle

1 Scopus citations

A Computational Scheme for the Interaction between an Edge Dislocation and an Arbitrarily Shaped Inhomogeneity via the Numerical Equivalent Inclusion Method

Li, P., Zhang, X., Lyu, D., Jin, X. & Keer, L. M., Mar 1 2019, In : Physical Mesomechanics. 22, 2, p. 164-171 8 p.

Research output: Contribution to journalArticle

A micromechanical model considering dislocation density based intra-granular backstress under cyclic loading

Liu, L., Yao, Y., Zeng, T. & Keer, L. M., Jan 1 2019, In : Mechanics of Materials. 129, p. 41-49 9 p.

Research output: Contribution to journalArticle

A thermoelastic contact model between a sliding ball and a stationary half space distributed with spherical inhomogeneities

Yang, W., Zhou, Q., Huang, Y., Wang, J., Jin, X. & Keer, L. M., Mar 2019, In : Tribology International. 131, p. 33-44 12 p.

Research output: Contribution to journalArticle

4 Scopus citations

Semi-analytical solution for steady state heat conduction in a heterogeneous half space with embedded cuboidal inhomogeneity

Yang, W., Zhou, Q., Zhai, Y., Lyu, D., Huang, Y., Wang, J., Jin, X., Keer, L. M. & Wang, Q. J., May 2019, In : International Journal of Thermal Sciences. 139, p. 326-338 13 p.

Research output: Contribution to journalArticle

2 Scopus citations

Structural response and resilience of posttensioned steel frames under column loss

Zhu, Y. F., Chen, C. H., Keer, L. M., Huang, Y. & Yao, Y., Jul 2019, In : Journal of Constructional Steel Research. 158, p. 107-119 13 p.

Research output: Contribution to journalArticle

1 Scopus citations

The linear-elastic stiffness matrix model analysis of pre-twisted Euler-Bernoulli beam

Huang, Y., Zou, H., Chen, C., Bai, S., Yao, Y. & Keer, L. M., Jan 1 2019, In : Structural Engineering and Mechanics. 72, 5, p. 617-629 13 p.

Research output: Contribution to journalArticle

2018

An energy based analytical method to predict the influence of natural fractures on hydraulic fracture propagation

Yao, Y., Wang, W. & Keer, L. M., Feb 15 2018, In : Engineering Fracture Mechanics. 189, p. 232-245 14 p.

Research output: Contribution to journalArticle

12 Scopus citations
3 Scopus citations

Contact elasto-plasticity of inhomogeneous materials and a numerical method for estimating matrix yield strength of composites

Zhang, M., Ning, Z., Wang, Q., Arakere, N., Zhou, Q., Wang, Z., Jin, X. & Keer, L. M., Nov 2018, In : Tribology International. 127, p. 84-95 12 p.

Research output: Contribution to journalArticle

4 Scopus citations

Dynamic increase factor for progressive collapse analysis of semi-rigid steel frames

Zhu, Y. F., Chen, C. H., Yao, Y., Keer, L. M. & Huang, Y., Jul 25 2018, In : Steel and Composite Structures. 28, 2, p. 209-221 13 p.

Research output: Contribution to journalArticle

3 Scopus citations

Electric current-assisted creep behaviour of Sn–3.0Ag–0.5Cu solder

Long, X., Tang, W., Xu, M., Keer, L. M. & Yao, Y., Apr 1 2018, In : Journal of Materials Science. 53, 8, p. 6219-6229 11 p.

Research output: Contribution to journalArticle

4 Scopus citations

Explicit analytical solutions for the complete elastic field produced by an ellipsoidal thermal inclusion in a semi-infinite space

Lyu, D., Zhang, X., Li, P., Luo, D., Hu, Y., Jin, X., Zhang, L. & Keer, L. M., May 2018, In : Journal of Applied Mechanics, Transactions ASME. 85, 5, 051005.

Research output: Contribution to journalArticle

7 Scopus citations

Investigation on the seismic performance of T-shaped column joints

Chen, C., Gong, H., Yao, Y., Huang, Y. & Keer, L. M., Mar 1 2018, In : Computers and Concrete. 21, 3, p. 335-344 10 p.

Research output: Contribution to journalArticle

1 Scopus citations

Molecular dynamics investigation of graphene nanoplate diffusion behavior in poly-α-Olefin lubricating oil

Wu, L., Song, B., Keer, L. M. & Gu, L., Sep 2018, In : Crystals. 8, 9, 361.

Research output: Contribution to journalArticle

Molecular dynamics simulations of the rheological properties of graphene–PAO nanofluids

Wu, L., Keer, L. M., Lu, J., Song, B. & Gu, L., Dec 1 2018, In : Journal of Materials Science. 53, 23, p. 15969-15976 8 p.

Research output: Contribution to journalArticle

3 Scopus citations

On the plastic zone sizes of cracks interacting with multiple inhomogeneous inclusions in an infinite space

Yang, J., Fan, Q., Zeng, L., Keer, L. M. & Zhou, K., Feb 1 2018, In : Acta Mechanica. 229, 2, p. 497-514 18 p.

Research output: Contribution to journalArticle

1 Scopus citations

Strain rate sensitivity of sintered silver nanoparticles using rate-jump indentation

Long, X., Tang, W., Feng, Y., Chang, C., Keer, L. M. & Yao, Y., May 1 2018, In : International Journal of Mechanical Sciences. 140, p. 60-67 8 p.

Research output: Contribution to journalArticle

20 Scopus citations

The effects of inclusions and heterogeneous stress field on hydraulic fracture

Yao, Y., Wang, K., Zeng, T. & Keer, L. M., May 1 2018, In : Geophysics. 83, 3, p. MR153-MR166

Research output: Contribution to journalArticle

The multi-factor effect of tensile strength of concrete in numerical simulation based on the Monte Carlo random aggregate distribution

Chen, C., Zhang, Q., Keer, L. M., Yao, Y. & Huang, Y., Mar 20 2018, In : Construction and Building Materials. 165, p. 585-595 11 p.

Research output: Contribution to journalArticle

3 Scopus citations
2017

A dislocation density based micromechanical constitutive model for Sn-Ag-Cu solder alloys

Liu, L., Yao, Y., Zeng, T. & Keer, L. M., Oct 2017, In : Materials Research Express. 4, 10, 106506.

Research output: Contribution to journalArticle

6 Scopus citations

A general solution to structural performance of pre-twisted Euler beam subject to static load

Huang, Y., Chen, C. H., Keer, L. M. & Yao, Y., Oct 25 2017, In : Structural Engineering and Mechanics. 64, 2, p. 205-212 8 p.

Research output: Contribution to journalArticle

3 Scopus citations

Annealing effect on residual stress of Sn-3.0Ag-0.5Cu solder measured by nanoindentation and constitutive experiments

Long, X., Wang, S., Feng, Y., Yao, Y. & Keer, L. M., Jun 1 2017, In : Materials Science and Engineering A. 696, p. 90-95 6 p.

Research output: Contribution to journalArticle

16 Scopus citations

A phase transformation based method to predict fatigue crack nucleation and propagation in metals and alloys

Yao, Y., Wang, J. & Keer, L. M., Apr 1 2017, In : Acta Materialia. 127, p. 244-251 8 p.

Research output: Contribution to journalArticle

11 Scopus citations

A pitting model for rolling contact fatigue.

Keer, L. M. & Bryant, M. D., Jan 1 2017, In : TRANS. ASME J. LUBR. TECHNOL.. 105 ., 2 , Apr. 1983, p. 198-205 8 p.

Research output: Contribution to journalArticle

1 Scopus citations

A rate and temperature dependent unified creep-plasticity model for high strength steel and solder alloys

He, X., Yao, Y. & Keer, L. M., Mar 1 2017, In : Mechanics of Materials. 106, p. 35-43 9 p.

Research output: Contribution to journalArticle

8 Scopus citations

A Review of Recent Research on the Mechanical Behavior of Lead-Free Solders

Yao, Y., Long, X. & Keer, L. M., Jan 1 2017, In : Applied Mechanics Reviews. 69, 4, 040802.

Research output: Contribution to journalReview article

21 Scopus citations
9 Scopus citations

Bruno and Northwestern—a happy marriage

Keer, L. M., Apr 3 2017, In : Journal of Thermal Stresses. 40, 4, p. S10-S11

Research output: Contribution to journalComment/debate

Elasto-plastic contact of materials containing double-layered inhomogeneities

Zhang, M., Zhao, N., Glaws, P., Hegedus, P., Zhou, Q., Wang, Z., Jin, X., Keer, L. M. & Wang, Q., Nov 2017, In : International Journal of Solids and Structures. 126-127, p. 208-224 17 p.

Research output: Contribution to journalArticle

12 Scopus citations

On the displacement of a two-dimensional eshelby inclusion of elliptic cylindrical shape

Jin, X., Zhang, X., Li, P., Xu, Z., Hu, Y. & Keer, L. M., Jul 1 2017, In : Journal of Applied Mechanics, Transactions ASME. 84, 7, 074501.

Research output: Contribution to journalArticle

7 Scopus citations

Parametric study on stressed volume and its application to the quantification of rolling contact fatigue performance of heterogeneous material

Yang, W., Huang, Y., Zhou, Q., Wang, J., Jin, X. & Keer, L. M., Mar 1 2017, In : Tribology International. 107, p. 221-232 12 p.

Research output: Contribution to journalArticle

15 Scopus citations

Shear strength and fracture behavior of reflowed Sn3.0Ag0.5Cu/Cu solder joints under various strain rates

Hu, X., Xu, T., Keer, L. M., Li, Y. & Jiang, X., Jan 1 2017, In : Journal of Alloys and Compounds. 690, p. 720-729 10 p.

Research output: Contribution to journalArticle

26 Scopus citations

Spherical elastic-plastic contact model for power-law hardening materials under combined normal and tangential loads

Zhao, B., Zhang, S. & Keer, L. M., Apr 1 2017, In : Journal of Tribology. 139, 2, 021401.

Research output: Contribution to journalArticle

4 Scopus citations

Surface diffusion induced shape evolution of multiple circular voids under high current density

Wang, Y., Yao, Y. & Keer, L. M., May 28 2017, In : Journal of Applied Physics. 121, 20, 205111.

Research output: Contribution to journalArticle

1 Scopus citations

Vibratory motion of a body on an orthotropic half plane

FREEDMAN JM, JM. & KEER LM, LM., Jan 1 2017, In : ASME Pap 72-APM-X for meeting 1972.

Research output: Contribution to journalArticle

2016

A mesh differential refinement scheme for solving elastic fields of half-space inclusion problems

Zhou, Q., Jin, X., Wang, Z., Yang, Y., Wang, J., Keer, L. M. & Wang, Q. J., Jan 1 2016, In : Tribology International. 93, p. 124-136 13 p.

Research output: Contribution to journalArticle

10 Scopus citations

Explicit analytical solutions for a complete set of the eshelby tensors of an ellipsoidal inclusion

Jin, X., Lyu, D., Zhang, X., Zhou, Q., Wang, Q. J. & Keer, L. M., Dec 1 2016, In : Journal of Applied Mechanics, Transactions ASME. 83, 12, 121010.

Research output: Contribution to journalArticle

11 Scopus citations
9 Scopus citations

Love's rectangular contact problem revisited: A complete solution

Jin, X., Niu, F., Zhang, X., Zhou, Q., Lyu, D., Keer, L. M. & Hu, Y., Nov 1 2016, In : Tribology International. 103, p. 331-342 12 p.

Research output: Contribution to journalArticle

2 Scopus citations

Maximum von Mises Stress and Its Location in Trilayer Materials in Contact

Yu, C., Wang, Z., Liu, G., Keer, L. M. & Wang, Q. J., Oct 1 2016, In : Journal of Tribology. 138, 4, 041402.

Research output: Contribution to journalArticle

5 Scopus citations

Micromechanical modelling of the progressive failure in unidirectional composites reinforced with bamboo fibres

Wang, F., Li, X., Zhang, J., Li, L. & Keer, L. M., Mar 2016, In : Mechanics of Materials. 94, p. 180-192 13 p.

Research output: Contribution to journalArticle

16 Scopus citations

Microstructure evolution and shear fracture behavior of aged Sn3Ag0.5Cu/Cu solder joints

Hu, X., Xu, T., Keer, L. M., Li, Y. & Jiang, X., Sep 15 2016, In : Materials Science and Engineering A. 673, p. 167-177 11 p.

Research output: Contribution to journalArticle

28 Scopus citations

Modeling rolling contact fatigue lives of composite materials based on the dual beam FIB/SEM technique

Zhou, Q., Xie, L., Wang, X., Jin, X., Wang, Z., Wang, J., Jia, Z., Keer, L. M. & Wang, Q., Feb 2016, In : International Journal of Fatigue. 83, p. 201-208 8 p.

Research output: Contribution to journalArticle

3 Scopus citations
13 Scopus citations

Numerical EIM with 3D FFT for the contact with a smooth or rough surface involving complicated and distributed inhomogeneities

Zhou, Q., Jin, X., Wang, Z., Wang, J., Keer, L. M. & Wang, Q., Jan 1 2016, In : Tribology International. 93, p. 91-103 13 p.

Research output: Contribution to journalArticle

19 Scopus citations

Semi-analytical and numerical analysis of sliding asperity interaction for power-law hardening materials

Zhao, B., Zhang, S. & Keer, L. M., Oct 15 2016, In : Wear. 364-365, p. 184-192 9 p.

Research output: Contribution to journalArticle

6 Scopus citations