Optimization Method for Gear Heat Treatment Process Oriented …
Optimization Method for Gear Heat Treatment Process Oriented to Deformation and Surface Collaborative Control 1 Introduction. Gears working under …
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Selective laser melting of near-α titanium alloy Ti-6Al-2Zr-1Mo-1V
2.2. SLM experiment and heat treatment. In this work, laser power (180 W to 380 W), scan speed (300 mm/s to 800 mm/s), layer thickness (0.03 and 0.06 mm) and constant scan spacing (0.12 mm) were adapted on our self-developed machine for sample preparation using a baseplate preheating temperature of 200 °C and the 67° scanning …
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Optimization of heat treatment parameters for additive manufacturing
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 …
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Optimization Method for Gear Heat Treatment Process Oriented …
An optimization model of die-quenching process parameters was proposed based on a neural network surrogation model, which could optimize heat treatment process parameters and die pressure. The results revealed an optimized solution set with short carburization time, small deviation of hardening depth, and small maximum deformation, …
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Heat Treatment Optimization and Properties Correlation for
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 …
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Heat Treatment Optimization of CA-6NM Cast Alloy Using a …
Keywords: heat treatment optimization, CA-6NM cast alloys, design of experiments Introduction The CA-6NM is a Fe–Cr–Ni cast alloy based on the 13% chromium stainless steel alloy CA-15, which is hardenable by heat treatment.1 The low C content (max 0.06 wt%) in conjunction with the addition of Ni (3.5–4.5 wt%) and Mo
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Optimization of heat treatment parameters of medium carbon …
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 to impart certain desirable properties on metals (Ahaneku et al., 2012).Heat treatment can be performed on metals, ceramics, and composite material.
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Optimization of casting means and heat treatment
Optimization of casting means and heat treatment routines for improving mechanical and corrosion resistance properties of A356-0.54Sc casting alloy. ... The T4 heat treatment led to a significant microstructural change from the as-cast coralloid-like eutectic Si particles to spheroidal Si particles embedded in the Al matrix, while the prior …
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Heat Treatment Optimization and Fabrication of a 440C Stainless …
Microstructure of 440C steel austenitized at (a) 1000°C, (b) 1050°C, (c) 1100°C, (d) 1100°C and soaked in liquid nitrogen for 20 min. Note decreasing carbide volume fraction with increasing temperature and presence of retained austenite at 1100°C. The amount of retained austenite decreases with liquid nitrogen soak. Full size image.
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Metals | Free Full-Text | Heat Treatment Optimization in Al-Cu …
The properties of Al-Cu-Mg alloys simultaneously depend on dissolving the maximum amount of Cu and Mg in the solution treatment and on achieving optimal ageing. The aim of this study is to analyze the effect on an Al-Cu4.5-Mg1.5-Si0.75 alloy, manufactured by continuous casting and hot rolling until achieving a reduction in its cross-section greater …
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Heat Treatment Optimization of 2219 Aluminum Alloy …
The UTS and YS of as-deposited 2219 aluminum alloy were 261.3 MPa and 118.6 MPa, which were significantly lower than the strength of the 2219-T6 alloy (UTS: 441.85 MPa; YS: 293.9 MPa). However ...
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Extending the Lifetime of Copper-beryllium Alloys as Plastic
The relationship between the microstructure and the practical performance of two different copper-beryllium alloys including their lifetime has been investigated. Herein, two valves made of two different alloys with very similar compositions and the same heat treatment methods were investigated by various standard techniques including …
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Melt Pool and Heat Treatment Optimization for the
With this understanding, the adoption of AM low alloy steels for high-integrity structural applications relies upon the successful achievement of three key prerequisites: (1) optimization of the processing parameters; (2) ability to develop appropriate post-deposition heat treatments that will provide homogenous and controlled microstructures ...
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Optimization of Heat Treatment Aging Process Parameters for …
Abstract. Among the different commercially used Al alloys, the 7000 series offers some of the highest mechanical properties making them the material of choice for several critical engineering applications. These Al alloys often required to undergo a heat treatment process to enhance its mechanical properties to the desired levels. This …
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Effect of heat treatment on the hardness behaviour of the …
The result revealed that the solution temperature of 550 degrees, solutionizing duration of 0.5 h, ageing temperature of 165 degrees and ageing of 8 h are the optimum heat treatment parameters to get maximum hardness. Moreover, ANOVA confirmed that ageing temperature had the highest significance (34.66%) on the Vicker's hardness …
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A new high-throughput method using additive manufacturing for heat
This new approach can be applied to post-heat treatment optimization of other materials made by AM, and further assist new alloy development. Setup of high-throughput experiments. (a) Inconel 718 ...
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Enhancing high-temperature strength and ductility in
Heat treatment (HT) is an effective way to attain the desired microstructure and in of the sample was ∼30% higher than that of as-cast TA15, accompanied by the …
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Heat treatment optimization of China low-activation ferritic
Heat treatment of the CLF-1 steel with rare earth Ce addition (RE-CLF-1) was investigated. • The heat treatment process was optimized as normalizing at 980 °C for 60 min followed by tempering at 740 °C for 60 min. • The yield strength and maximum tensile strength of RE-CLF-1 steel at RT were up to ∼605 MPa and ∼738 MPa, respectively.
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Novel Methodology for Optimization Energy of Heat Treatment
First Online: 03 August 2023 768 Accesses Abstract In this work, a new optimization methodology for heat treatment furnaces based on the variation of the geometric …
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Heat Treatment Process Energy Efficient Design and Optimisation
This paper describes an approach and ICT tool developed for manufacturing process energy efficiency optimization, in particular focused on the heat treatment …
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Heat Treatment Process Energy Efficient Design and Optimisation
Process optimisation supported by EA Once the preliminary heat treatment curve is provided by EDS, EA component searches for the optimised process configuration in terms of energy and maintenance cost, based on the implemented mathematical models relating process parameters, quality parameters and costs. EA looks for the minimum …
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Optimization of the Post-Process Heat Treatment of Inconel 718 …
Next, a multi-objective optimization procedure was applied to identify the most desirable heat treatment conditions. Finally, the effects of the proposed treatment …
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Optimization of Solution Heat Treatment Processes for AA7075
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 …
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A new high-throughput method using additive
Composition design and post-heat treatment optimization are the two main aspects of materials development [ 1, 2 ]. Materials Genome highlights the importance of …
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A new high-throughput method using additive
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 …
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Frontiers | Optimization of heat treatment program and effect of heat
The order of influencing extent of heat treatment conditions is crystallization temperature > crystallization time > nucleation temperature > nucleation time. ... Rong C, Zhang Y, Li B and Wu X (2023) Optimization of heat treatment program and effect of heat treatment on microstructure and flexural strength of micro-nano-Li 2 Si 2 O 5 whisker ...
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Tool Steel Heat Treatment Optimization Using Neural Network Modeling
For each steel up to three different austenitizing temperatures between 1263 K and 1323 K (990 °C and 1050 °C) and up to 9 tempering temperatures from 813 K to 903 K (540 °C to 630 °C) were selected, resulting in 10 to 24 different heat treatment combinations (Table II).Heat treatment of specimens, machined from the delivered …
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Heat treatment for metal additive manufacturing
The purpose of this paper is to critically review current knowledge and discuss the influence of post-AM heat treatment on microstructure, mechanical properties, and corrosion behavior of the major categories of AM metals including steel, Ni-based …
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Heat-Treatment Process Optimization Using Dilatometry Technique and
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 ...
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Effect of the parametric optimization and heat-treatment on the …
Aging heat treatments between 460 and 490 °C (4–8 h) resulted in the maximum hardness value (~55HCR) with an austenite content below 6 wt% calculated by Rietveld analysis. ... Ibarra-Medina, J., Fernández-Benavides, D.A. et al. Effect of the parametric optimization and heat-treatment on the 18Ni-300 maraging steel …
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