Optimization of heat treatment parameters for additive manufacturing and gravity casting AlSi10Mg alloy. L Girelli 1 ... the heat treatment can reduce significantly the performance of the alloy also because of the increase of porosity due to entrapped gas during the deposition technique and that the higher the solution …

The better mechanical properties were obtained at 500 °C solution heat treatment temperature conditions. Emadi et al reported the heat treatment of A356 alloy at different heat treatment conditions. They concluded that better mechanical properties and reproducibility were obtained at 540 °C for 4 h solutionising condition, then quenched in ...

Wire-arc additive manufacturing (WAAM) was used to fabricate 304 L stainless steel plates for the purpose of characterizing texture and anisotropic behavior in the as-built parts, followed by post-build rolling and heattreating to modify mechanical properties and reduce texture.

3.2.1 Heat treatment parameters. In Figure 4, ANN modeling results, displaying effect of austenitizing and tempering temperature on hardness and fracture toughness are shown for hot work tool steel with an average composition (0.37 pct C, 0.40 pct Mn, 5.10 pct Cr, 1.75 pct Mo, 0.45 pct V) and two levels of Si; low (0.2 pct Si) and …

The development of high critical current density (J/sub c/) multifilamentary Nb/sub 3/Sn strands with low magnetization is important for many technological applications, including construction of high field accelerator magnets. To achieve this goal, strand R&D is actively pursued by Fermilab and IGC using the internal tin process. The J/sub c/ of a Nb/sub …

Laser Powder Bed Fusion of GH4099 Superalloy: Parameter Optimization and Effect of Heat Treatment on Microstructure and Mechanical Properties. Author links open overlay panel Yunfei Nie a b c, Qian Tang a b c, Zhonghua Li a, Jun Song c, Haibin Wu a b, Binsheng Wang a b, Changliang Qin a b, Yingzhi Ren a b, Ming Zhang a b, Kun …

Post weld heat treatment, or PWHT, is often used to improve the mechanical properties of materials that have been welded. Several publications have investigated the effects of the PWHT process using experimental designs. However, the modeling and optimization ...

Request PDF | On Jan 15, 2015, B. Podgornik and others published Vacuum heat treatment optimization for improved load carrying capacity and wear properties of surface engineered hot work tool ...

The solution heat treatment (SHT) is an important step in hot forming and in-die quenching (HFQ) process. Herein, the SHT of cold-rolled AA7075-H18 alloy sheets is carried out in the temperature range of 462-518 °C for 0.9-29 min, and a response surface model based on strength and toughness is established. The results reveal that the …

The optimization of the solution heat treatment (SHT) of fourth-generation single-crystal nickel-base superalloys LDSX-6B and LDSX-6C is presented. The methodological approach to optimizing the SHT process is particularly highlighted. Differential scanning calorimetry (DSC)

It has been shown that a simple heat treatment schedule can be used to remove nonlunar weathering species from JSC-1A. While this heat treatment does have some deleterious effects on the lunar simulant, these impacts are considered minimal and overall, the simulant is more lunar-like than in the as-received state.

A selective laser-melted Al-Mn-Sc alloy with 99.9% relative density has been obtained in this work through systematic process optimization. The as-fabricated specimen had the lowest hardness and strength, but the highest ductility. The aging response has shown that 300 °C/5 h is the peak aged condit …

Wire-arc additive manufacturing has generated significant interest in the aerospace industry for the fabrication of large aluminum alloy components such as alloy 2219 (Al-6.3Cu). However, its application is …

A case study of heat-treatment cycle optimization of a forged crankshaft is demonstrated in the paper. Existing heat-treatment cycle of crankshaft was studied and simulated during first phase of the project. The heat-treatment consists of hardening and tempering process. Dilatometry technique was used to optimize Continuous Cooling ...

Heat treatment optimization of an automotive stamping die steel with low energy consumption. Bin Chen 1, Dequn Kong 1, Zhenhua Lai 1, Xujun Wen 1 and Jian Zhou 1. Published under licence by IOP Publishing Ltd

Extensive heat treatment optimization studies were performed in order to maximize both critical current and RRR, with a plateau temperature down to 625degC and duration up to 400 hours. It appears that a critical current enhancement of ~ 10% can be achieved for a reaction schedule of 320 hours at 625degC with non-copper critical …

The aim of this research was to determine the effect of vacuum-heat-treatment process parameters on the material properties and their correlations for low-Si-content AISI H11-type hot-work tool steel using a single Circumferentially Notched and fatigue Pre-cracked Tensile Bar (CNPTB) test specimen. The work was also focused on …

Optimization for the heat-treatment technique of 7175 aluminum alloy In the present investigation, m =27, n =3, C = σ 1 + σ 2 . For the GA, working over 1000 iterations, the optimization results are given in Table 4 .

Heat Treatment Heat treatment is a combination of controlled heating and cooling that is applied to metal or particular mixture in solid phase to produce particular micro structure and desired mechanical …

The heat treatment process parameters with different Zn additions have been predicted by thermodynamic simulations, and subsequent heat treatments have …

The heat treatment technique of 7175 aluminum alloy was optimized by classical gradient method and evolutionary algorithm, respectively. It is shown that the classical gradient method is liable to ...

Heat treatment for metal additive manufacturing. Metal additive manufacturing (AM) refers to any process of making 3D metal parts layer-upon-layer via …

5.. SummaryThe genetic algorithm is a technique of multipoint random optimization, based on the law of evolution of living things. An artificial neural network can be applied to successfully model the effect of heat treatment on the mechanical properties of 7175 aluminum alloy, and the complexity of constructing mathematical models, as …

Abstract: The heat treatment process plays a central role in optimizing the critical current density of Nb $_{text{3}}$ Sn wire. Increasing the critical current density of Nb $_{text{3}}$ Sn wire, reducing the use amount of wire in magnets and reducing the price are important ways to promote the industrialization and mass application of Nb $_{text{3}}$ Sn wire.

DOI: 10.1016/j.icarus.2023.115577 Corpus ID: 258035258; Outgassing behavior and heat treatment optimization of JSC-1A lunar regolith simulant @article{Wilkerson2023OutgassingBA, title={Outgassing behavior and heat treatment optimization of JSC-1A lunar regolith simulant}, author={Ryan P. Wilkerson and Mihail …

Heat Treatment Optimization and Properties Correlation for H11-Type Hot-Work Tool Steel B. PODGORNIK, G. PUSˇ,B.ZˇUZˇEK, V. LESKOVSˇEK, and M. GODEC The aim of this research was to determine the effect of vacuum-heat-treatment process parameters on the material properties and their correlations for low-Si-content AISI H11 …

Composition design and post-heat treatment optimization are the two main aspects of materials development [1, 2].Materials Genome highlights the importance of the rapid generation of databases to accelerate the materials development [1, 3].Therefore, high-throughput (HT) modeling and experimentation are critical to design efficiency [4].In …

Heat Treatment Optimization and Fabrication of a 440C Stainless Steel Knife RALPH BUSH,1,3 JACOB GILL,1 and JARRED TEAKELL2 1.—Department of Engineering Mechanics, United States Air Force Academy, USAF Academy, Colorado Springs, CO 80840, USA. 2.—Department of Chemistry, United States Air Force Aca-

Zhang et al. [16] revealed that careful optimization of the heat treatment parameters can confer good overall mechanical properties on carburized steels. Carburizing heat treatment of bearing steel has been extensively studied by many scholars. However, a comprehensive scientific understanding of the various parameters in carburizing heat ...

1. Introduction. Heat treatment is a property enhancement process that deals with the heating and cooling of metal in a solid-state. The objective of heat treatment is …