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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Microstructural Template Consisting of a Face-Centered Cubic Matrix with Ordered Precipitates: Microstructural Evolution and Properties
Presentation Title Mapping the Mechanical Property Space of Al-Cu-Mn-Zr (ACMZ) Cast Aluminum Alloys with Superior Microstructural Stability
Author(s) Sumit Bahl, Jiahao Cheng, Eric Hoar, Xiaohua Hu, Allen Haynes, Amit Shyam
On-Site Speaker (Planned) Sumit Bahl
Abstract Scope Al-Cu-Mn-Zr (ACMZ) is a new class of cast Aluminum alloys engineered to have exceptional microstructural stability up to 350 °C for automotive applications. These materials are expected to endure complex thermo-mechanical loading cycles throughout service. Mechanical property requirements such as strength, ductility and fatigue resistance vary with specific components in an automotive engine. This presentation will elaborate on the mechanical behavior of a series of ACMZ alloys with Cu content varying between 6.0 - 9.0 wt. %. Tensile, low cycle fatigue and creep properties will be discussed as a function of alloy composition and thermal history. The effects of grain boundary intermetallic particles and fine strengthening precipitates on tensile, low cycle fatigue and creep properties will be discussed.
Proceedings Inclusion? Planned: Supplemental Proceedings volume


A Nickel-based Superalloy Dual-reinforced by L12 Ni3Al and D022 Ni3V Ordered-fcc Precipitates
Alloying for Corrosion Resistance: the Effect of Manganese and Silicon on a Polycrystalline Nickel-based Superalloy
Coarsening and Creep Behavior of Co-Ni-Al-W-Ti-Ta-B Superalloy with High γ′ Solvus Temperature
Coarsening Kinetics and Mechanical Properties of fcc Compositionally Complex Alloys Strengthened by L12 Precipitates
Correlative High-resolution Characterization of the Early Stages of Precipitation During Direct Aging of Alloy 718
D022 + D022’ Dual-phase Microstructure in As-cast Al-Mo-Ti Alloys
Elevated Temperature Microstructure Evolution and Properties of an Equiatomic CrCoNi Superalloy Containing Al,Ti
FCC High-entropy Alloys Strengthened with L12 Precipitates: Alloying Strategies and Highlights
High Temperature Microstructural Stability Mechanisms Revealed by Microscopy in Al-Cu-Mn-Zr Alloys
Impact of L12-phase Dispersoids on the Hardening Behavior of Multi-phase Strengthened Aluminum Alloys
In-situ Transmission Electron Microscopy Investigation of Continuous Precipitation of Ni3Mo in a Ni-25Mo-8Cr Alloy Formed by Direct Current Magnetron Sputtering
Mapping the Mechanical Property Space of Al-Cu-Mn-Zr (ACMZ) Cast Aluminum Alloys with Superior Microstructural Stability
Nanoscale Precipitation-strengthened Al-Er-Sc-Zr-(V,Nb,Ta) Alloys
Novel fcc-Cu Matrix Based High Temperature Alloys Strengthened by Ordered Precipitates
Novel Microstructural Template Based on Ordered Intermetallic Precipitation in FCC Based Complex Concentrated Alloys
Ordered Precipitates and Mechanical Properties of Nickel-base Superalloys Studied by Analytical Scanning and Transmission Electron Microscopy
Precipitation and Deformation Mechanisms of γ’/γ” Co-precipitates in Alloy 718
Sc-free Nanoprecipitate-strengthened Aluminum Alloys with Exceptional Creep Resistance
Stress Induced Sensitization in HAZ of 304 LN Austenitic Stainless Steel
The Quantitative Model for Heat Treatment Parameters and Gamma Prime Variations on Nickel-base Superalloys

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