ArticleMaterials (Basel, Switzerland)2021
Heat Treatments for Stress Relieving AlSi9Cu3 Alloy Produced by Laser Powder Bed Fusion.
Article in Materials (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- Influence of Base Plate Preheating on Laser Powder Bed Fusion-Processed EN AW-7075 Aluminium Alloy.Materials (Basel, Switzerland) · 2026Article
- Design of high-performance sustainable aluminum alloy series for laser additive manufacturing.Nature communications · 2025Article
- Hydrothermal Hot Isostatic Pressing (HHIP)-Experimental Proof of Concept.Materials (Basel, Switzerland) · 2024Article
- Change in Mechanical Properties of Laser Powder Bed Fused AlSi7Mg Alloy during Long-Term Exposure at Warm Operating Temperatures.Materials (Basel, Switzerland) · 2023Article
- Effective Platform Heating for Laser Powder Bed Fusion of an Al-Mn-Sc-Based Alloy.Materials (Basel, Switzerland) · 2023Article
- Effect of Strain Rates and Heat Exposure on Polyamide (PA12) Processed via Selective Laser Sintering.Materials (Basel, Switzerland) · 2023Article
- Multipass Friction Stir Processing of Laser-Powder Bed Fusion AlSi10Mg: Microstructure and Mechanical Properties.Materials (Basel, Switzerland) · 2023Article
- Ongoing Challenges of Laser-Based Powder Bed Fusion Processing of Al Alloys and Potential Solutions from the Literature-A Review.Materials (Basel, Switzerland) · 2023Review
- Advancements in the Additive Manufacturing of Magnesium and Aluminum Alloys through Laser-Based Approach.Materials (Basel, Switzerland) · 2022Review
- Micromechanical Modeling of AlSi10Mg Processed by Laser-Based Additive Manufacturing: From as-Built to Heat-Treated Microstructures.Materials (Basel, Switzerland) · 2022Article
- Microstructural Variations in Laser Powder Bed Fused Al-15%Fe Alloy at Intermediate Temperatures.Materials (Basel, Switzerland) · 2022Article
- Low-Power Laser Powder Bed Fusion Processing of ScalmalloyMaterials (Basel, Switzerland) · 2022Article
- Wear Behavior of a Heat-Treatable Al-3.5Cu-1.5Mg-1Si Alloy Manufactured by Selective Laser Melting.Materials (Basel, Switzerland) · 2021Article
- Heat Treatments for Stress Relieving AlSi9Cu3 Alloy Produced by Laser Powder Bed Fusion.Materials (Basel, Switzerland) · 2021Article
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7 authors.
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No grant is acknowledged in the PubMed record.
Abstract
The present work explores the effect of a stress relieving heat treatment on the microstructure, tensile properties and residual stresses of the laser powder bed fused AlSi9Cu3 alloy. In fact, the rapid cooling rates together with subsequent heating/cooling cycles occurred during layer by layer additive manufacturing production make low temperature heat treatments desirable for promoting stress relaxation as well as limited grain growth: this combination can offer the opportunity of obtaining the best compromise between high strength, good elongation to failure and limited residual stresses. The microstructural features were analysed, revealing that the high cooling rate, induced by the process, caused a large supersaturation of the aluminum matrix and the refinement of the eutectic structure. Microhardness versus time curve, performed at 250 °C, allowed to identify a stabilization of the mechanical property at a duration of 25 h. The microstructure and the mechanical properties of the samples heat treated at 25 h and at 64 h, considered as a reference for the conventionally produced alloy, were compared with the ones of the as-built alloy. Finally, it was shown that a 59% reduction of the principal residual stresses could be achieved after the 25 h-long treatment and such evolution was correlated to the mechanical behaviour.
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