Focused ion beam-induced displacive phase transformation from austenite to martensite during fabrication of quenched and partitioned steel micro-pillar

EJ Seo, L Cho, JK Kim, J Mola, L Zhao, S Lee… - Journal of alloys and …, 2020 - Elsevier
We report evidence of a displacive phase transformation from retained austenite to
martensite during preparation of quenched and partitioned steel micro-pillars by using a …

Deformation response of ferrite and martensite in a dual-phase steel

H Ghassemi-Armaki, R Maaß, SP Bhat, S Sriram… - Acta Materialia, 2014 - Elsevier
Deformation response of ferrite and martensite in a commercially produced dual-phase
sheet steel with a nominal composition of 0.15% C–1.45% Mn–0.30% Si (wt.%) was …

[HTML][HTML] Effective Removal Method for Layer of FIB-Induced Surface Damage in Austenitic Stainless Steel

HH Jin, IS Ryu - Korean Journal of Metals and Materials, 2023 - kjmm.org
There is substantial concern about the phase change to artificial ferrite or martensite in
commercial austenitic stainless steels during intense focused-ion-beam milling. In this work …

Focused ion beam study of the effects of shot peening on the subsurface microstructure of normalized pearlitic steel

B Okolo, F Pérez-Willard, J Hawecker… - Journal of Materials …, 2007 - Elsevier
The subsurface microstructure of machined, heat-treated and shot peened samples of
pearlitic steel was studied by focused ion beam (FIB) microscopy. Samples with flat surfaces …

Deformation of polycrystalline TRIP stainless steel micropillars

JJ Roa, JM Wheeler, T Trifonov, G Fargas… - Materials Science and …, 2015 - Elsevier
The deformation mechanisms of the metastable austenite phase of a transformation induced
plasticity (TRIP) stainless steel, AISI 301LN, have been investigated by compression of …

Chemically induced phase transformation in austenite by focused ion beam

A Basa, C Thaulow, A Barnoush - Metallurgical and Materials Transactions …, 2014 - Springer
A highly stable austenite phase in a super duplex stainless steel was subjected to a
combination of different gallium ion doses at different acceleration voltages. It was shown …

Influence of metastable retained austenite on macro and micromechanical properties of steel processed by the Q&P process

H Jirková, B Mašek, MFX Wagner… - Journal of Alloys and …, 2014 - Elsevier
By stabilising metastable austenite with a suitable morphology in a martensitic structure, it is
possible to impart to multi-phase steels high ductility combined with tensile strengths …

Effects of focused ion beam milling on the compressive behavior of directionally solidified micropillars and the nanoindentation response of an electropolished surface

S Shim, H Bei, MK Miller, GM Pharr, EP George - Acta Materialia, 2009 - Elsevier
Focused ion beam (FIB) milling is the typical method used to fabricate micropillars to study
small-scale plasticity and size effects in uniaxial compression. However, FIB milling can …

Fabrication of various shaped tungsten micro pin arrays using micro carving technology

JW Park, H Kim, JG Kim, CN Chu - Precision Engineering, 2017 - Elsevier
This paper describes a state of the art in micro-structuring high strength metallic materials.
Tungsten micro pin arrays in a variety of shapes are fabricated using a micro carving …

Revealing orientation-dependent martensitic transformation in a medium Mn steel by micropillar compression

OG Nimaga, BB He, GJ Cheng, HW Yen… - International Journal of …, 2019 - Elsevier
In this contribution, for the first time, the effect of crystal orientation on the critical stress for
martensitic transformation in a medium Mn steel is explicitly revealed by using micropillar …