Leif Asp

Full Professor at Material and Computational Mechanics

Leif Asp, Professor in Lightweight composite materials and structures at Department of Industrial and Materials Science, Chalmers. Leif’s research is focused on efficient design methodologies for carbon fibre composite automotive applications. The research relies on more than twenty years’ experience in damage tolerance modelling, design and certification methods for aircraft composite structures. A switch from traditional metal car components and BIW to cars made from composites will require modifications to the design practice used today. Composite design and verification relies on combined virtual and experimental approaches in a so-called building block approach. The experimental test campaign required to complete and verify a composite vehicle is costly. The research in Lightweight composites materials and structures aims to increase analysis capability to allow increased virtual testing, and hence reduce cost related to physical testing. The research will address a wide range of carbon fibre composites, from traditional UD-composites via textile reinforced to short fibre composites, and as such will be relevant for applications outside the automotive sector, e.g. for aero engines and aircraft structures.Leif Asps researchgate profile: https://www.researchgate.net/profile/Leif_Asp

Source: chalmers.se

Showing 60 publications

2020

Performance analysis framework for structural battery composites in electric vehicles

David Carlstedt, Leif Asp
Composites Part B: Engineering. Vol. 186
Journal article
2020

Characterization of the adhesive properties between structural battery electrolytes and carbon fibers

Johanna Xu, Wilhelm Johannisson, Marcus Johansen et al
Composites Science and Technology. Vol. 188
Journal article
2020

Compressive strength assessment of a CFRP aero-engine component – An approach based on measured fibre misalignment angles

Dennis Wilhelmsson, Dennis Rikemansson, Thomas Bru et al
Composite Structures. Vol. 233
Journal article
2020

X-ray tomography based finite element modelling of non-crIMP fabric based fibre composite

Kristine M. Jespersen, Leif Asp, Atsushi Hosoi et al
ECCM 2018 - 18th European Conference on Composite Materials
Paper in proceedings
2020

Performance of Bicontinuous Structural Electrolytes

Vinh Tu, Leif Asp, Natasha Shirshova et al
Multifunctional Materials
Journal article
2020

Ultra-strong and stiff randomly-oriented discontinuous composites: closing the gap to quasi-isotropic continuous-fibre laminates

Marco Alves, David Carlstedt, Fredrik Ohlsson et al
Composites Part A: Applied Science and Manufacturing. Vol. 132
Journal article
2020

Determination of transverse and shear moduli of single carbon fibres

Duan Shanghong, Fang Liu, Torbjörn Pettersson et al
Carbon. Vol. 158C, p. 772-782
Journal article
2019

X-ray tomography data of compression tested unidirectional fibre composites with different off-axis angles

Dennis Wilhelmsson, L. P. Mikkelsen, Søren Fæster et al
Data in Brief. Vol. 25
Journal article
2019

Influence of in-plane shear on kink-plane orientation in a unidirectional fibre composite

Dennis Wilhelmsson, Lars Mikkelsen, Søren Fæster et al
Composites Part A: Applied Science and Manufacturing. Vol. 119, p. 283-290
Journal article
2019

Structural Battery Composites: A Review, Functional Composites and Structures

Leif Asp, Mats Johansson, Göran Lindbergh et al
Functional Composites and Strucutres. Vol. 1
Review article
2019

Hot spot Analysis in complex composite material structures

Henrik Molker, Renaud Gutkin, Silvestre Pinho et al
Composite Structures. Vol. 207, p. 776-786
Journal article
2019

Ultra-Thin and Stiff Randomly-Oriented Discontinuous Composites

Marco Alves, David Carlstedt, Leif Asp et al
Proceedings of the American Society for Composites - 34th Technical Conference, ASC 2019
Paper in proceedings
2019

Compressive strength assessment of fibre composites based on a defect severity model

Dennis Wilhelmsson, Ramesh Tareja, Renaud Gutkin et al
Composites Science and Technology. Vol. 181
Journal article
2019

En route to “massless energy” with structural power composites

Emile S. Greenhalgh, Leif Asp, Dan Zenkert et al
Other - Software code
2019

Finite Element Simulation of the Performance of a Structural Electrolyte

Vinh Tu, Leif Asp, Natasha Shirshova et al
Conference contribution
2019

Towards a Novel Defect Severity Model for Compressive Failure Analysis of Unidirectional Composites

Dennis Wilhelmsson, R. Talreja, Renaud Gutkin et al
American Society of Composites 34th, Conference, ASC34
Paper in proceedings
2019

Thermal and diffusion induced stresses in a structural battery under galvanostatic cycling

David Carlstedt, Leif Asp
Composites Science and Technology. Vol. 179, p. 69-78
Journal article
2019

Fractographic study to characterise the interaction between intralaminar and interlaminar fracture from embedded defects under compression loading

Carla Canturri, E. S. Greenhalgh, Leif Asp et al
Composites Part A: Applied Science and Manufacturing. Vol. 125 (October)
Journal article
2019

Experimental characterization of multifunctional polymer electrolyte coated carbon fibres

Maximilian O H Schutzeichel, Thomas Kletschkowski, Peter Linde et al
Functional Composites and Structures. Vol. 1
Journal article
2019

Influence of in-plane shear on kink-plane orientation in a unidirectional

Dennis Wilhelmsson, Lars Mikkelsen, Søren Fæster et al
Composites Part A: Applied Science and Manufacturing. Vol. 119, p. 283-290
Journal article
2019

Industrial framework for identification and verification of hot-spots in automotive composite structures

Henrik Molker, Renaud Gutkin, Leif Asp
SAE International Journal of Materials and Manufacturing. Vol. 12 (2), p. 17-120
Journal article
2019

Verification of hot-spot in complex composite structures using detailed FEA

Henrik Molker, Renaud Gutkin, Leif Asp
ECCM 2018 - 18th European Conference on Composite Materials
Paper in proceedings
2019

FRAMEWORK FOR DURABILITY ANALYSIS OF COMPOSITE STRUCTURES IN THE AUTOMOTIVE INDUSTRY

Henrik Molker, Renaud Gutkin, Leif Asp
Paper in proceedings
2019

Unit cells for multiphysics modelling of structural battery composites

David Carlstedt, Johanna Xu, Kenneth Runesson et al
Paper in proceedings
2019

Effects of state of charge on elastic properties of 3D structural battery composites

David Carlstedt, Erik Marklund, Leif Asp
Composites Science and Technology. Vol. 169, p. 26-33
Journal article
2018

Biaxial transverse compression testing for a fibre reinforced polymer material

Thomas Bru, Leif Asp, R. Olsson et al
ECCM 2018 - 18th European Conference on Composite Materials
Paper in proceedings
2018

An experimental study of fibre waviness and its effects on compressive properties of unidirectional NCF composites

Dennis Wilhelmsson, Renaud Gutkin, Fredrik Edgren et al
Composites Part A: Applied Science and Manufacturing. Vol. 107, p. 665-674
Journal article
2018

The transition from out-of-plane to in-plane kinking due to off-axis loading

Dennis Wilhelmsson, Edgren Fredrik, Renaud Gutkin et al
ECCM 2018 - 18th European Conference on Composite Materials
Paper in proceedings
2018

Assessing the value of radical technology alternatives at system level

Massimo Panarotto, Ola Isaksson, Leif Asp
Proceedings of International Design Conference. Vol. 2, p. 633-642
Paper in proceedings
2018

Conceptual design framework for laminated structural battery composites

David Carlstedt, Wilhelm Johannisson, Dan Zenkert et al
ECCM 2018 - 18th European Conference on Composite Materials
Paper in proceedings
2018

Graphitic microstructure and performance of carbon fibre Li-ion structural battery electrodes

Athmane Boulaoued, Giulia Fredi, Joachim Wallenstein et al
Multifunctional Materials. Vol. 1 (1)
Journal article
2018

Verification of hot-spot in complex composite structures using detailed FEA

Henrik Molker, Renaud Gutkin, Leif Asp
Conference poster
2018

A high resolution method for characterisation of fibre misalignment angles in composites

Dennis Wilhelmsson, Leif Asp
Composites Science and Technology. Vol. 165, p. 214-221
Journal article
2018

A systematic approach to transforming composite 3D images into meso-scale computational models

Brina Blinzler, Dennis Wilhelmsson, Leif Asp et al
ECCM 2018 - 18th European Conference on Composite Materials 2020
Paper in proceedings
2018

Multifunctional performance of a carbon fiber UD lamina electrode for structural batteries

Niklas Ihrner, Mats Johansson, Wilhelm Johannisson et al
Composites Science and Technology. Vol. 168 (168), p. 81-87
Journal article
2018

Composite design for a foiling Optimist dinghy

Carolyn Oddy, Elias Blomstrand, Daniel Johansson et al
Proceedings
Paper in proceedings
2017

Implementation of failure criteria for transverse failure of orthotropic Non-Crimp Fabric composite materials

Henrik Molker, Renaud Gutkin, Leif Asp
Composites Part A: Applied Science and Manufacturing. Vol. 92 (january), p. 158-166
Journal article
2017

Fibre waviness induced bending in compression tests of uniderectional NCF composites

Dennis Wilhelmsson, Leif Asp, Renaud Gutkin et al
ICCM International Conferences on Composite Materials. Vol. 2017-August
Paper in proceedings
2017

Structural Battery Composites – Roles of Constituents and Device Architecture

Leif Asp
Proceedings of the 21st International Conference on Composite Materials, ICCM-21, Xian, China
Conference contribution
2017

Fibre waviness induced bending in compression tests of unidirectional NCF composites

Dennis Wilhelmsson, Leif Asp, Renaud Gutkin et al
Proceedings of the 21st International Conference on Composite Materials, ICCM-21, Xi’an, China, 2017
Paper in proceedings
2017

Hot Spot Analysis of Composite Structures with Orthotropic Properties

Henrik Molker, Renaud Gutkin, Silvestre Pinho et al
Nafems WC 2017
Paper in proceedings
2017

Implementation of failure criteria for transverse failure of orthotropic Non-Crimp Fabric composite materials

Henrik Molker, R. Gutkin, Leif Asp
Composites Part A: Applied Science and Manufacturing. Vol. 92, p. 158-166
Journal article
2016

Electrocoating of carbon fibres at ambient conditions

A. Bachinger, Joraine Rössler, Leif Asp
Composites Part B: Engineering. Vol. 91, p. 94-102
Journal article
2016

Identifying failure initiation in automotive structures made of NCF reinforced composites for hot spot analysis

Henrik Molker, Renaud Gutkin, Silvestre Pinho et al
Procedings of 17th European Conference on Composite Materials, ECCM17
Paper in proceedings
2016

Orthotropic criteria for transverse failure of non-crimp fabric-reinforced composites

Henrik Molker, Dennis Wilhelmsson, Renaud Gutkin et al
Journal of Composite Materials. Vol. 50 (18), p. 2445-2458
Journal article
2016

Effect of specimen width on strength in off-axis compression tests

Dennis Wilhelmsson, Leif Asp, Renaud Gutkin et al
Proceedings of 17th European Conference on Composite Materials, ECCM17
Paper in proceedings
2016

Initial study of the microstructure of carbon fibres acting as negative electrodes in structural battery composites

Fang Liu, Masoud Rashidi, Leif Asp
Procedings of 17th European Conference on Composite Materials, ECCM17
Paper in proceedings
2015

NUMERICAL ANALYSIS OF THE ORTHOTROPIC TRANSVERSE STRENGTH OF NCF REINFORCED COMPOSITES

Dennis Wilhelmsson, Renaud Gutkin, Fredrik Edgren et al
TEXCOMP-12 CONFERENCE, 26-29 MAY 2015, RALEIGH, NC, USA
Paper in proceedings
2015

Implementation of failure criteria for orthotropic non crimp fabric composite structures

Henrik Molker, Renaud Gutkin, Leif Asp
COMPOSITES 2015 - 5th ECCOMAS Thematic Conference on the Mechanical Response of Composites; Bristol; 7th-9th of September 2015
Paper in proceedings
2015

Multifunctional structural battery and supercapacitor composites

Leif Asp, Emile S. Greenhalgh
Multifunctionality of Polymer Composites: Challenges and New Solutions, p. 619-661
Book chapter
2015

Mechanical, electrical and microstructural characterisation of multifunctional structural power composites

Leif Asp
Journal of Composite Materials. Vol. 49 (15), p. 1823-1834
Journal article
2015

Materials with variable stiffness

Leif Asp, Angelika Bachinger, Peter Hellström et al
20th International Conference on Composite Materials, Copenhagen Denmark
Paper in proceedings
2015

Realisation of structural battery composite materials

Leif Asp, Simon Leijonmarck, Tony Carlson et al
20th International Conference on Composite Materials, Copenhagen Denmark
Paper in proceedings
2015

Strength of thin solid polymer electrolyte coatings and the coated carbon fibres

Simon Leijonmarck, Andrejs Pupurs, Leif Asp
ICCM International Conferences on Composite Materials. Vol. 2015
Paper in proceedings
2014

Efficient sizing methods for composites primary structures in automotive applications

Henrik Molker, Renaud Gutkin, Magnus Oldenbo et al
16th European Conference on Composite Materials, ECCM 2014; Seville; Spain; 22 June 2014 through 26 June 2014
Paper in proceedings
2014

Structural power composites

Leif Asp, E. S. Greenhalgh
Composites Science and Technology. Vol. 101, p. 41-61
Journal article
2014

Stiffness-modifiable composite for pedestrian protection

A. Bachinger, E. Marklund, J. Rössler et al
16th European Conference on Composite Materials, ECCM 2014; Seville; Spain; 22 June 2014 through 26 June 2014
Paper in proceedings

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Showing 12 research projects

2020–2021

Multifunctional performance of structural batteries under combined mechanical and electrical loads

Leif Asp Material and Computational Mechanics
Torbjorn Thiringer Unknown organization
Fang Liu Materials and manufacture
Johanna Xu Material and Computational Mechanics
Chalmers

2019–

Building and verifying the dynamic and static behavior of Li-Ion battery cells

Torbjörn Thiringer Electrical Machines and Power Electronics
Niladri Roy Chowdhury Electrical Machines and Power Electronics
Zeyang Geng Electrical Machines and Power Electronics
Leif Asp Material and Computational Mechanics
Johanna Xu Material and Computational Mechanics
David Carlstedt Material and Computational Mechanics
Chalmers

2019–2023

Towards multifunctional batteries – insights into carbon fibres in dynamic electrochemical and mechanical processes

Fang Liu Materials and manufacture
Marcus Johansen Materials and manufacture
Leif Asp Material and Computational Mechanics
Swedish Energy Agency

2019–2021

MUltiscale, Multimodal and Multidimensional imaging for EngineeRING (MUMMERING).

Leif Asp Material and Computational Mechanics
European Commission (Horizon 2020)

2019–2019

Towards lightweighting electrified transport system – novel multifunctional batteries

Leif Asp Material and Computational Mechanics
Fang Liu Materials and manufacture
Patrik Johansson Condensed Matter Physics
Chalmers

2019–2019

Towards lightweighting electrified transport system – novel multifunctional batteries

Leif Asp Material and Computational Mechanics
Fang Liu Materials and manufacture
Patrik Johansson Condensed Matter Physics
Chalmers

2018–2019

Ultra-stiff and strong composites for structures with complex geometries

Leif Asp Material and Computational Mechanics
VINNOVA

2017–2019

Dimensioneringsmetodik för tryckbelastad NCF komposit (KOMPRESS II)

Leif Asp Material and Computational Mechanics
VINNOVA

2017–2020

Damage Tolerance and Durability of Structural Power Composites

Leif Asp Material and Computational Mechanics
Duan Shanghong Material and Computational Mechanics
US Air Force Office of Strategic Research (AFOSR)

2017–2020

Structural pOweR CompositEs foR futurE civil aiRcraft (SORCERER)

Leif Asp Material and Computational Mechanics
Peter Linde Material and Computational Mechanics
European Commission (Horizon 2020)

2013–2019

Compressive failure of complex NCF composite structures

Leif Asp Material and Computational Mechanics
Dennis Wilhelmsson Material and Computational Mechanics
GKN Aerospace Sweden
VINNOVA

2013–2019

Efficient design methodology for composite vehicle structures through numerical simulations

Ragnar Larsson Material and Computational Mechanics
Leif Asp Material and Computational Mechanics
Swedish Research Council (VR)

1 publication exists
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