Adiabatic shear instability is not necessary for adhesion in cold spray

M Hassani-Gangaraj, D Veysset, VK Champagne… - Acta Materialia, 2018 - Elsevier
When metallic microparticles impact substrates at high enough velocity, they bond
cohesively. It has been widely argued that this critical adhesion velocity is associated with …

A ductile damage criterion at various stress triaxialities

M Brünig, O Chyra, D Albrecht, L Driemeier… - International journal of …, 2008 - Elsevier
The paper discusses the effect of stress triaxiality on the onset and evolution of damage in
ductile metals. A series of tests including shear tests and experiments on smooth and pre …

A modified damage model for advanced high strength steel sheets

K Chung, N Ma, T Park, D Kim, D Yoo, C Kim - International Journal of …, 2011 - Elsevier
More often than not, better formability in the simple tension test implies better formability
performance in other stretching modes, especially in hole expansion performance since …

On the Taylor–Quinney coefficient in dynamically phase transforming materials. Application to 304 stainless steel

R Zaera, JA Rodríguez-Martínez, D Rittel - International Journal of Plasticity, 2013 - Elsevier
We present a thermodynamic scheme to capture the variability of the Taylor–Quinney
coefficient in austenitic steels showing strain induced martensitic transformation at high …

[HTML][HTML] A computational determination of the Cowper–Symonds parameters from a single Taylor test

C Hernandez, A Maranon, IA Ashcroft… - Applied Mathematical …, 2013 - Elsevier
A novel technique for the dynamic characterization of metals from a single Taylor impact test
is proposed. This computational characterization procedure is based on the formulation and …

Thermomechanical constitutive behaviour of a near α titanium alloy over a wide range of strain rates: Experiments and modelling

L Zhang, A Pellegrino, D Townsend… - International Journal of …, 2021 - Elsevier
The constitutive behaviour of a near α Ti3Al2. 5 V alloy, conceived for impact resistant
turbine engine containment applications, is characterized at quasi-static, medium, and high …

Scaled models for failure under impact loading

H Sadeghi, K Davey, R Darvizeh, A Darvizeh - International Journal of …, 2019 - Elsevier
Small-scale experimentation is recognised to play an important role in the investigation of
the behaviour of large-scale structures. Presently however, there exists no known procedure …

An enhanced Johnson–Cook strength model for splitting strain rate and temperature effects on lower yield stress and plastic flow

L Gambirasio, E Rizzi - Computational Materials Science, 2016 - Elsevier
This paper introduces a new 'strength model', named Split Johnson–Cook (SJC). The model
is a generalization of classical Johnson–Cook (JC) and provides a much improved …

Simulation of damage evolution in ductile metals undergoing dynamic loading conditions

M Brünig, S Gerke - International journal of plasticity, 2011 - Elsevier
A set of constitutive equations for large rate-dependent elastic–plastic-damage materials at
elevated temperatures is presented to be able to analyze adiabatic high strain rate …

Instrumented Taylor impact test for measuring stress-strain curve through single trial

C Gao, T Iwamoto - International Journal of Impact Engineering, 2021 - Elsevier
In our previous study, a modified Taylor impact test instrumented using a Hopkinson
pressure bar and high-speed imaging was proposed to obtain the stress-strain curve at any …