Interests and limitations of nanoindentation for bulk multiphase material identification: Application to the β phase of Ti-5553

Abstract

This paper focuses on the numerical modeling of nanoindentation tests. The first goal of this study is to collect essential material parameters and boundary conditions from the literature and to complete the data required to accurately model nanoindentation tests. The second goal of this study consists in validating the material parameters identified from macroscopic tensile tests of the body-centered cubic β phase of Ti-5553, a new generation of titanium alloy. This validation is performed looking at experimental and numerical nanoindentation curves obtained for different grain orientations.

Cyclic Deformation Response of β-Annealed Ti-5Al-5V-5Mo-3Cr Alloy Under Compressive Loading Conditions

“…[1] Since the 1990s, this alloy has been an excellent alternative to Ti-10V-2Fe-3Al and Ti-6Al-4V for landing gear applications in the aircraft manufacturing industry due to its outstanding strength, excellent fatigue crack growth resistance, and excellent hardenability. [2][3][4] For practical applications, the heat treatment procedure must be carefully controlled to obtain a specific b-a two-phase structure, with a precipitates within b. [4][5][6][7][8][9] This is because, with such microstructure, the mechanical and fatigue properties of the alloy can vary over a wide range, as they are strongly affected by the volume fraction, size, and distribution of a precipitates for individual heat treatments.…”

Composite structure of α phase in metastable β Ti alloys induced by lattice strain during β to α phase transformation

“…The Al containing metastable β titanium alloys are considered as attractive materials for aeronautical applications due to their high yield strength, excellent fatigue crack growth resistance and good hardenability [1,2]. Their mechanical properties are strongly dependent on the microstructural characteristics, especially the volume fraction, the morphology and the distribution of α precipitates [3][4][5][6], therefore the β to α phase transformation has been a topic of intensive studies.…”

Nonlocal Crystal Plasticity Finite Element Simulations of Nanoindentation on Ti‐6Al‐4V Alloy

“…The nanoindentation of metals is widely used for characterizing the mechanical properties of materials at small scale, through which the elastic modulus, hardness, size effects, sinking-in and piling-up phenomena et al can be studied [1][2][3][4][5][6]. Although the actual deformation process during nanoindentation is simple, the boundary conditions and kinematics involved are complex [7].…”