Dr Michael Hofmann

Visiting Senior Research Fellow
  • PUBLICATIONS

Book Chapters

Solís C; Munke J; Hofmann M; Mühlbauer S; Bergner M; Gehrmann B; Rösler J; Gilles R, 2019, 'In situ characterization at high temperature of VDM Alloy 780 premium to determine solvus temperatures and phase transformations using neutron diffraction and small-angle neutron scattering', in Minerals, Metals and Materials Series, pp. 23 - 32, http://dx.doi.org/10.1007/978-3-030-05749-7_3

Rolph J; Preuss M; Iqbal N; Hofmann M; Nikov S; Hardy MC; Glavicic MG; Ramanathan R; Evans A, 2012, 'Residual Stress Evolution during Manufacture of Aerospace Forgings', in Superalloys 2012, pp. 881 - 891, http://dx.doi.org/10.1002/9781118516430.ch97

Pintschovius L; Hofmann M, 2012, 'Stress Analysis by Neutron Diffraction', in Modern Diffraction Methods, pp. 155 - 171, http://dx.doi.org/10.1002/9783527649884.ch6

Journal articles

Šaroun J; Rebelo-Kornmeier J; Gibmeier J; Hofmann M, 2018, 'Treatment of spatial resolution effects in neutron residual strain scanning', Physica B: Condensed Matter, vol. 551, pp. 468 - 471, http://dx.doi.org/10.1016/j.physb.2018.01.013

Lan B; Carpenter MA; Gan W; Hofmann M; Dunne FPE; Lowe MJS, 2018, 'Rapid measurement of volumetric texture using resonant ultrasound spectroscopy', Scripta Materialia, vol. 157, pp. 44 - 48, http://dx.doi.org/10.1016/j.scriptamat.2018.07.029

Lan B; Ben Britton T; Jun TS; Gan W; Hofmann M; Dunne FPE; Lowe MJS, 2018, 'Direct volumetric measurement of crystallographic texture using acoustic waves', Acta Materialia, vol. 159, pp. 384 - 394, http://dx.doi.org/10.1016/j.actamat.2018.08.037

Mo F; Wu E; Zhang C; Wang H; Zhong Z; Zhang J; Chen B; Hofmann M; Gan W; Sun G, 2018, 'Correlation Between the Microstructural Defects and Residual Stress in a Single Crystal Nickel-Based Superalloy During Different Creep Stages', Metals and Materials International, vol. 24, pp. 1002 - 1011, http://dx.doi.org/10.1007/s12540-018-0106-7

Strunz P; Mukherji D; Beran P; Gilles R; Karge L; Hofmann M; Hoelzel M; Rösler J; Farkas G, 2018, 'Matrix Transformation in Boron Containing High-Temperature Co–Re–Cr Alloys', Metals and Materials International, vol. 24, pp. 934 - 944, http://dx.doi.org/10.1007/s12540-018-0121-8

Beran P; Mukherji D; Strunz P; Gilles R; Karge L; Hofmann M; Hoelzel M; Rösler J; Farkas G, 2018, 'Additional phases at high boron content in high-temperature Co–Re–Cr alloys', Metals, vol. 8, http://dx.doi.org/10.3390/met8080621

Wimpory RC; Martins RV; Hofmann M; Kornmeier JR; Moturu S; Ohms C, 2018, 'A complete reassessment of standard residual stress uncertainty analyses using neutron diffraction emphasizing the influence of grain size', International Journal of Pressure Vessels and Piping, vol. 164, pp. 80 - 92, http://dx.doi.org/10.1016/j.ijpvp.2017.09.002

Wimpory RC; Hofmann M; Akrivos V; Smith MC; Pirling T; Ohms C, 2018, 'Precise measurement of steep residual strain gradients using neutron diffraction in strongly absorbing materials with chemical compositional gradients', Materials Performance and Characterization, vol. 7, http://dx.doi.org/10.1520/MPC20170114

Karge L; Gilles R; Mukherji D; Stark A; Beran P; Schell N; Hofmann M; Strunz P; Häusler J; Rösler J, 2018, 'Creep deformation of Co-Re-Ta-C alloys with varying C content–investigated in-situ by simultaneous synchrotron radiation diffraction', Materials Science and Engineering A, vol. 719, pp. 124 - 131, http://dx.doi.org/10.1016/j.msea.2018.02.009

Sun T; Tremsin AS; Roy MJ; Hofmann M; Prangnell PB; Withers PJ, 2018, 'Investigation of residual stress distribution and texture evolution in AA7050 stationary shoulder friction stir welded joints', Materials Science and Engineering A, vol. 712, pp. 531 - 538, http://dx.doi.org/10.1016/j.msea.2017.12.019

Li XH; Saal P; Gan WM; Hoelzel M; Volk W; Petry W; Hofmann M, 2018, 'Strain-Induced Martensitic Transformation Kinetic in Austempered Ductile Iron (ADI)', Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, vol. 49, pp. 94 - 104, http://dx.doi.org/10.1007/s11661-017-4420-3

Wilhelm J; Seidlmayer S; Erhard S; Hofmann M; Gilles R; Jossen A, 2018, 'In situ neutron diffraction study of lithiation gradients in graphite anodes during discharge and relaxation', Journal of the Electrochemical Society, vol. 165, pp. A1846 - A1856, http://dx.doi.org/10.1149/2.1231809jes

Zinth V; von Lüders C; Wilhelm J; Erhard SV; Hofmann M; Seidlmayer S; Rebelo-Kornmeier J; Gan W; Jossen A; Gilles R, 2018, 'Erratum to “Inhomogeneity and relaxation phenomena in the graphite anode of a lithium-ion battery probed by in situ neutron diffraction” [J. Power Sources 361 (2017) 54–60] (S0378775317308431) (10.1016/j.jpowsour.2017.06.060))', Journal of Power Sources, vol. 377, pp. 189, http://dx.doi.org/10.1016/j.jpowsour.2017.11.095

Wagner FE; Gebhard R; Gan W; Hofmann M, 2018, 'The metallurgical texture of gold artefacts found at the Bronze Age rampart of Bernstorf (Bavaria) studied by neutron diffraction', Journal of Archaeological Science: Reports, vol. 20, pp. 338 - 346, http://dx.doi.org/10.1016/j.jasrep.2018.05.005

Chobaut N; Wagner JN; Carron D; Saelzle P; Pirling T; Hofmann M; Drezet JM, 2017, 'Stress generation during the quenching of large AA2618 forgings: Finite element computations and validation against neutron diffraction measurements', Finite Elements in Analysis and Design, vol. 131, pp. 17 - 24, http://dx.doi.org/10.1016/j.finel.2017.03.004

Karge L; Gilles R; Mukherji D; Strunz P; Beran P; Hofmann M; Gavilano J; Keiderling U; Dolotko O; Kriele A; Neubert A; Rösler J; Petry W, 2017, 'The influence of C/Ta ratio on TaC precipitates in Co-Re base alloys investigated by small-angle neutron scattering', Acta Materialia, vol. 132, pp. 354 - 366, http://dx.doi.org/10.1016/j.actamat.2017.04.029

Kapadia P; Davies C; Pirling T; Hofmann M; Wimpory R; Hosseinzadeh F; Dean D; Nikbin K, 2017, 'Erratum to “Quantification of residual stresses in electron beam welded fracture mechanics specimens” (International Journal of Solids and Structures (2017) 106(107) (106–118) (S0020768316303614) (10.1016/j.ijsolstr.2016.11.028))', International Journal of Solids and Structures, vol. 113-114, pp. 255, http://dx.doi.org/10.1016/j.ijsolstr.2017.03.017

von Lüders C; Zinth V; Erhard SV; Osswald PJ; Hofmann M; Gilles R; Jossen A, 2017, 'Lithium plating in lithium-ion batteries investigated by voltage relaxation and in situ neutron diffraction', Journal of Power Sources, vol. 342, pp. 17 - 23, http://dx.doi.org/10.1016/j.jpowsour.2016.12.032

Zhang XX; Wang D; Xiao BL; Andrä H; Gan WM; Hofmann M; Ma ZY, 2017, 'Enhanced multiscale modeling of macroscopic and microscopic residual stresses evolution during multi-thermo-mechanical processes', Materials and Design, vol. 115, pp. 364 - 378, http://dx.doi.org/10.1016/j.matdes.2016.11.070

Kapadia P; Davies C; Pirling T; Hofmann M; Wimpory R; Hosseinzadeh F; Dean D; Nikbin K, 2017, 'Quantification of residual stresses in electron beam welded fracture mechanics specimens', International Journal of Solids and Structures, vol. 106-107, pp. 106 - 118, http://dx.doi.org/10.1016/j.ijsolstr.2016.11.028

Mühlbauer MJ; Dolotko O; Hofmann M; Ehrenberg H; Senyshyn A, 2017, 'Effect of fatigue/ageing on the lithium distribution in cylinder-type Li-ion batteries', Journal of Power Sources, vol. 348, pp. 145 - 149, http://dx.doi.org/10.1016/j.jpowsour.2017.02.077

Zinth V; von Lüders C; Wilhelm J; Erhard SV; Hofmann M; Seidlmayer S; Rebelo-Kornmeier J; Gan W; Jossen A; Gilles R, 2017, 'Inhomogeneity and relaxation phenomena in the graphite anode of a lithium-ion battery probed by in situ neutron diffraction', Journal of Power Sources, vol. 361, pp. 54 - 60, http://dx.doi.org/10.1016/j.jpowsour.2017.06.060

Kotzurek JA; Hofmann M; Simic S; Pölt P; Hohenwarter A; Pippan R; Sprengel W; Würschum R, 2017, 'Internal stress and defect-related free volume in submicrocrystalline Ni studied by neutron diffraction and difference dilatometry', Philosophical Magazine Letters, vol. 97, pp. 450 - 458, http://dx.doi.org/10.1080/09500839.2017.1408966

Scheuerlein C; Di Michiel M; Hofmann M; Lorentzon M; Lackner F; Flükiger R; Savary F; Bottura L, 2017, 'Residual strain in the Nb3Sn 11 T dipole magnet coils for HL-LHC', Superconductor Science and Technology, vol. 30, http://dx.doi.org/10.1088/1361-6668/aa8fae

Martina F; Roy MJ; Szost BA; Terzi S; Colegrove PA; Williams SW; Withers PJ; Meyer J; Hofmann M, 2016, 'Residual stress of as-deposited and rolled wire+arc additive manufacturing Ti–6Al–4V components', Materials Science and Technology (United Kingdom), vol. 32, pp. 1439 - 1448, http://dx.doi.org/10.1080/02670836.2016.1142704

Gilles R; Mukherji D; Karge L; Strunz P; Beran P; Barbier B; Kriele A; Hofmann M; Eckerlebe H; Rösler J, 2016, 'Stability of TaC precipitates in a Co-Re-based alloy being developed for ultra-high-temperature applications', Journal of Applied Crystallography, vol. 49, pp. 1253 - 1265, http://dx.doi.org/10.1107/S1600576716009006

Maawad E; Gan W; Hofmann M; Ventzke V; Riekehr S; Brokmeier HG; Kashaev N; Müller M, 2016, 'Influence of crystallographic texture on the microstructure, tensile properties and residual stress state of laser-welded titanium joints', Materials and Design, vol. 101, pp. 137 - 145, http://dx.doi.org/10.1016/j.matdes.2016.03.148

Beran P; Mukherji D; Strunz P; Gilles R; Hofmann M; Karge L; Dolotko O; Rösler J, 2016, 'Effect of composition on the matrix transformation of the Co-Re-Cr-Ta-C alloys', Metals and Materials International, vol. 22, pp. 562 - 571, http://dx.doi.org/10.1007/s12540-016-5697-2

Li Z; Zou N; Yang B; Gan W; Hou L; Li X; Zhang Y; Esling C; Hofmann M; Zhao X; Zuo L, 2016, 'Effect of compressive load on the martensitic transformation from austenite to 5M martensite in a polycrystalline Ni-Mn-Ga alloy studied by in-situ neutron diffraction', Journal of Alloys and Compounds, vol. 666, pp. 1 - 9, http://dx.doi.org/10.1016/j.jallcom.2016.01.090

Wagner JN; Hofmann M; Van Petegem S; Krempaszky C; Hoelzel M; Stockinger M, 2016, 'Comparison of intergranular strain formation of conventional and newly developed nickel based superalloys', Materials Science and Engineering A, vol. 662, pp. 303 - 307, http://dx.doi.org/10.1016/j.msea.2016.03.059

Saal P; Meier L; Li X; Hofmann M; Hoelzel M; Wagner JN; Volk W, 2016, 'In Situ Study of the Influence of Nickel on the Phase Transformation Kinetics in Austempered Ductile Iron', Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, vol. 47, pp. 661 - 671, http://dx.doi.org/10.1007/s11661-015-3261-1

Szost BA; Terzi S; Martina F; Boisselier D; Prytuliak A; Pirling T; Hofmann M; Jarvis DJ, 2016, 'A comparative study of additive manufacturing techniques: Residual stress and microstructural analysis of CLAD and WAAM printed Ti-6Al-4V components', Materials and Design, vol. 89, pp. 559 - 567, http://dx.doi.org/10.1016/j.matdes.2015.09.115

Zinth V; Schulz M; Seidlmayer S; Zanon N; Gilles R; Hofmann M, 2016, 'Neutron tomography and radiography on a sodium metal halide cell under operating conditions', Journal of the Electrochemical Society, vol. 163, pp. A838 - A845, http://dx.doi.org/10.1149/2.0181606jes

Säubert S; Jungwirth R; Zweifel T; Hofmann M; Hoelzel M; Petry W, 2016, 'Neutron and hard X-ray diffraction studies of the isothermal transformation kinetics in the research reactor fuel candidate U-8 wt%Mo', Journal of Applied Crystallography, vol. 49, pp. 923 - 933, http://dx.doi.org/10.1107/S1600576716005744

Senyshyn A; Mühlbauer MJ; Dolotko O; Hofmann M; Ehrenberg H, 2015, 'Homogeneity of lithium distribution in cylinder-type Li-ion batteries', Scientific Reports, vol. 5, http://dx.doi.org/10.1038/srep18380

Randau C; Brokmeier HG; Gan WM; Hofmann M; Voeller M; Tekouo W; Al-Hamdany N; Seidl G; Schreyer A, 2015, 'Improved sample manipulation at the STRESS-SPEC neutron diffractometer using an industrial 6-axis robot for texture and strain analyses', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 794, pp. 67 - 75, http://dx.doi.org/10.1016/j.nima.2015.05.014

Zhang XX; Ni DR; Xiao BL; Andrä H; Gan WM; Hofmann M; Ma ZY, 2015, 'Determination of macroscopic and microscopic residual stresses in friction stir welded metal matrix composites via neutron diffraction', Acta Materialia, vol. 87, pp. 161 - 173, http://dx.doi.org/10.1016/j.actamat.2015.01.006

Zinth V; Seidlmayer S; Zanon N; Crugnola G; Schulz M; Gilles R; Hofmann M, 2015, 'In situ spatially resolved neutron diffraction of a sodium metal halide battery', Journal of the Electrochemical Society, vol. 162, pp. A384 - A391, http://dx.doi.org/10.1149/2.0421503jes

Kortenbruck C; Gilles R; Senyshyn A; Zinth V; Hofmann M; von Lüders C; Dolotko O; Mühlbauer M; Seidlmayer S; Paul N, 2015, 'Battery research as progress pacemaker', Neutron News, vol. 26, pp. 29 - 32, http://dx.doi.org/10.1080/10448632.2015.996026

Zinth V; Von Lüders C; Hofmann M; Hattendorff J; Buchberger I; Erhard S; Rebelo-Kornmeier J; Jossen A; Gilles R, 2014, 'Lithium plating in lithium-ion batteries at sub-ambient temperatures investigated by in situ neutron diffraction', Journal of Power Sources, vol. 271, pp. 152 - 159, http://dx.doi.org/10.1016/j.jpowsour.2014.07.168

Kennedy S; Wang J; Campbell S; Hofmann M; Dou S, 2014, 'Pressure induced magneto-structural phase transitions in layered RMn 2 X 2 compounds (invited)', Journal of Applied Physics, vol. 115, http://dx.doi.org/10.1063/1.4870582

Wang JL; Ma L; Hofmann M; Avdeev M; Kennedy SJ; Campbell SJ; Md Din MF; Hoelzel M; Wu GH; Dou SX, 2014, 'Neutron diffraction study of MnNiGa2—Structural and magnetic behaviour', Journal of Applied Physics, vol. 115, pp. 17A904 - 17A904, http://dx.doi.org/10.1063/1.4857455

Senyshyn A; Mühlbauer MJ; Dolotko O; Hofmann M; Pirling T; Ehrenberg H, 2014, 'Spatially resolved in operando neutron scattering studies on Li-ion batteries', Journal of Power Sources, vol. 245, pp. 678 - 683, http://dx.doi.org/10.1016/j.jpowsour.2013.06.158

Kornmeier JR; Ostermann A; Hofmann M; Gibmeier J, 2014, 'Optimization of a multi-channel parabolic guide for the material science diffractometer STRESS-SPEC at FRM II', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 736, pp. 150 - 155, http://dx.doi.org/10.1016/j.nima.2013.10.058

Mukherji D; Gilles R; Karge L; Strunz P; Beran P; Eckerlebe H; Stark A; Szentmiklosi L; MácSik Z; Schumacher G; Zizak I; Hofmann M; Hoelzel M; Rösler J, 2014, 'Neutron and synchrotron probes in the development of Co-Re-based alloys for next generation gas turbines with an emphasis on the influence of boron additives', Journal of Applied Crystallography, vol. 47, pp. 1417 - 1430, http://dx.doi.org/10.1107/S1600576714013624

Maawad E; Brokmeier HG; Wagner L; Hofmann M; Gan WM; Genzel C; Klaus M, 2014, 'Non-destructive residual stress evaluation in mechanically surface treated Ti-2.5Cu by diffraction techniques', NDT and E International, vol. 61, pp. 67 - 70, http://dx.doi.org/10.1016/j.ndteint.2013.10.002

Wagner JN; Hofmann M; Wimpory R; Krempaszky C; Stockinger M, 2014, 'Microstructure and temperature dependence of intergranular strains on diffractometric macroscopic residual stress analysis', Materials Science and Engineering A, vol. 618, pp. 271 - 279, http://dx.doi.org/10.1016/j.msea.2014.09.033

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