FEMS EUROMAT 2023
Lecture
06.09.2023
Coupling quantitative microstructural measurements to mechanical properties using correlative mechanical microscopy
PT

Dr. Patrick Trimby

Oxford Instruments

Trimby, P. (Speaker)¹; Mouginot, R.²; Muntwyler, S.²
¹Oxford Instruments Nanoanalysis, High Wycombe (United Kingdom); ²FemtoTools AG, Buchs (Switzerland)
Vorschau
21 Min. Untertitel (CC)

In this paper we introduce a new correlative approach to materials characterisation that combines measurements from both electron backscatter diffraction (EBSD) and nano-indentation mapping. Recent advances in both techniques have resulted in significant improvements in speed, spatial resolution and data quality. This enables direct correlation between the measured physical properties (such as hardness and Young’s Modulus) and the crystallographic, phase and grain data derived from the EBSD measurements. We call this approach “correlative mechanical microscopy” and demonstrate its effectiveness on complex powder metallurgy steel samples that contain multiple microstructural constituents, such as ferrite, martensite, bainite, cementite and retained austenite.

Abstract

Abstract

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