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Mode I crack tip fields: strain gradient plasticity theory versus J2 flow theory

Submitted by Emilio Martíne… on

I hope some of you may find this work interesting. We show, analytically and numerically, that strain gradient plasticity predicts the existence of an inner elastic field adjacent to the crack tip, reminiscent of a dislocation-free zone. The fact that elastic strains dominate plastic strains near the crack tip implies a paradigm-shift with respect to previous crack tip asymptotic studies in plasticity and gradient plasticity, which neglect elastic strains. 

 

Emilio Martínez-Pañeda, Norman A. Fleck

R&D Team Manager, Metallurgy @ Novelis Inc.

Submitted by vh on

This position is strictly for experienced candidates and is located at our Global R&T Centre in Kennesaw GA. Please get in touch with me if this role matches your experience. Job Description 

ISAM4 2019 - 4th International Symposium on Atomistic and Multiscale Modeling of Mechanics and Multiphysics

Submitted by Erik Bitzek on

Following the success of three former meetings (Tokyo 2011, Tokyo 2013, Brno 2016), the fourth ISAM4 meeting will be held at FAU Erlangen-Nürnberg, Germany from August 5th to 8th 2019. 

This symposium is intended as an international forum for the presentation and discussion of the latest scientific developments regarding the atomistic and multiscale modeling of materials. We aim at bringing together specialists from multiple disciplines to network, exchange and generate new ideas related (but not limited) to

Research Associate in Mechanical and Aerospace Engineering

Submitted by ql5jg@virginia.edu on

The Department of Mechanical and Aerospace Engineering in the School of Engineering and Applied Science at the University of Virginia seeks candidates for one Research Associate position to assist in experimental mechanics of advanced materials in Professor Xiaodong (Chris) Li's lab.

The Research Associate is expected to perform materials and mechanical characterization and finite element analysis of composite materials and coatings, and write reports and technical papers.

postdoc research position

Submitted by JiafengZhang on

University of Maryland School of Medicine

Location: Baltimore, MD

Job Description

 

The Artificial Organs Laboratory at the Department of Surgery of the University of Maryland seeks highly motivated individuals for one post-doctoral research associate positions in the following areas: blood compatibility and design/development of blood contacting medical devices.

Representative volume element (RVE) based crystal plasticity study of void growth on phase boundary in titanium alloys

Submitted by Amir Siddiq on

Hi All,

We have published an interesting short article on void growth in dual phase titanium alloys. More detailed results are currently under review and will be reported in near future.

https://www.sciencedirect.com/science/article/pii/S0927025619300801

 

Thanks,

Amir

International Conference on Structural Integrity 2019 - Abstract submission deadline: April 15th, 2019

Submitted by Carmen Sguazzo on

Dear Colleagues,

 

On behalf of the European Structural Integrity Society (ESIS) Portuguese National Committee we have the pleasure to extend a warm welcome to everyone planning to attend the

3rd International Conference on Structural Integrity (ICSI2019)

The third ICSI conference will take place on the beautiful Madeira Island, Portugal on 2 – 5 September 2019:

http://www.icsi.pt/