Cooling curve
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Elastocaloric cooling of additive manufactured shape memory alloys with large latent heat Open
The stress-induced martensitic phase transformation of shape memory alloys (SMAs) is the basis for elastocaloric cooling. In this paper, we employ additive manufacturing to fabricate TiNi SMAs, and demonstrate compressive elastocaloric coo…
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Mitigation of thermal distortion in wire arc additively manufactured Ti6Al4V part using active interpass cooling Open
In this study, active interpass cooling using compressed CO 2 was innovatively employed in the wire arc additively manufactured Ti6Al4V process with the aim of mitigating part distortion. A comparative analysis between simulation and exper…
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Increasing the manufacturing efficiency of WAAM by advanced cooling strategies Open
Wire- and arc-based additive manufacturing (WAAM) is a promising technology for large-scale additive manufacturing of metallic components. However, due to the high heat input by the electric arc, interpass cooling time decelerates the aver…
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Thermal Disk Winds in X-Ray Binaries: Realistic Heating and Cooling Rates Give Rise to Slow, but Massive, Outflows Open
A number of X-ray binaries exhibit clear evidence for the presence of disk winds in the high/soft state. A promising driving mechanism for these outflows is mass loss driven by the thermal expansion of X-ray heated material in the outer di…
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Formation of a quasicrystalline phase in Al–Mn base alloys cast at intermediate cooling rates Open
Al-rich 94Al–6Mn and 94Al–4Mn–2Fe alloys were suction-cast to evaluate the feasibility of obtaining bulk quasicrystal-strengthened Al-alloys at intermediate cooling rates alloyed with non-toxic, easily accessible and affordable additions. …
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Rapid heating injection moulding: An experimental surface temperature study Open
Rapid heat cycle moulding (RHCM) is a recent set of injection technologies that allow a full temperature control in a mould.Between all technologies available in terms of heating and cooling, electrical resistance heating and water cooling…
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Enhanced Injection Molding Simulation of Advanced Injection Molds Open
The most time-consuming phase of the injection molding cycle is cooling. Cooling efficiency can be enhanced with the application of conformal cooling systems or high thermal conductivity copper molds. The conformal cooling channels are pla…
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Neutron star crust cooling in KS 1731−260: the influence of accretion outburst variability on the crustal temperature evolution Open
Using a theoretical model, we track the thermal evolution of a cooling neutron star crust after an accretion-induced heating period with the goal of constraining the crustal parameters. We present for the first time a crust cooling model –…
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Effect of cooling rates on the weld heat affected zone coarse grain microstructure Open
The effect of a cooling rate on the S690Q quenched and tempered steel welded joint coarse grain heat affected zone microstructure was investigated using a dilatometer with controlled heating and cooling fixture. Steel samples were heated t…
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Effect of cooling rate on microstructural development in alloy ALMG9 Open
The microstructure that is attributable from the distinct casting method dictates new engineering and physical attributes of the material. To understand how to manage the microstructure of the casts, it is necessary to comprehend the diffe…
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Strain-induced precipitation in Ti microalloyed steel by two-stage controlled rolling process Open
Strain-induced precipitation kinetics and precipitates' characteristics in a Ti microalloyed steel subjected to a two-stage controlled rolling process, simulating rough and finish rolling process of industrial production, were quantitative…
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Effect of Different Cooling Rates Condition on Thermal Profile and Microstructure of Aluminium 6061 Open
Thermal analysis and microstructure characterization provide information regarding material thermal profiles and microstructure formation. Wrought aluminium alloys offer significant advantages in terms of higher ultimate tensile strength (…
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Influence of Cooling Rate on Microstructure Formation of Si–Mo Ductile Iron Castings Open
The present study highlights the effect of the cooling rate on the microstructure formation of Si–Mo ductile iron. In this study, experiments were carried out for castings with different wall thicknesses (i.e., 3, 5, 13, and 25 mm) to achi…
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The recalescence rate of cooling curve for undercooled solidification Open
Recalescence rate ( R ) in cooling curve is well known that affected by undercooling in solidification, but the accurate relationship of them is not clear yet. In this paper, based on the undercooled solidification of Fe-B alloy, the facto…
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Modeling of cooling and heat conduction in permanent mold casting process Open
Motivated by the need to understand the heat transfer process in permanent mold casting, the heat conduction problem in the casting and the mold is modeled as transient one-dimensional heat flow in a double-layer cylinder with radial inter…
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Refinement effect of RE in light weight Mg–Li–Al alloys Open
The effect of 2 mass% rare earth elements (RE) as in mischmetal state on the structure, thermal behaviour and mechanical properties of Mg–xLi–4Al (x = 4, 8 and 12 by mass percentage). The thermo-derivative analysis was implemented using th…
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Prediction of heat transfer coefficient during quenching of large size forged blocks using modeling and experimental validation Open
In this study, a new method is developed to predict an accurate convective heat transfer coefficient (HTC) during quenching of large size steel blocks, using a combination of 3D Finite Element (FEM) simulations and a progressive artificial…
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Electrochemical Open-Circuit Voltage and Pressure-Concentration-Temperature Isotherm Comparison for Metal Hydride Alloys Open
In this study we compared the electrochemical pressure-concentration-temperature (EPCT) method with the gaseous phase pressure-concentration-temperature (PCT) method and demonstrated the differences between the two. Experimentally, this wa…
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Linearized rate-equation approach for double-well systems: Cooling- and temperature-dependent low-field magnetization of magnetic nanoparticles Open
Low-field magnetization curves for an assembly of polydisperse magnetic nanoparticles described as double-well systems (DWS) with randomly distributed easy axes are generated by means of a rate-equation approach applied to states obtained …
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Continued cooling of the accretion-heated neutron star crust in the X-ray transient IGR J17480–2446 located in the globular cluster Terzan 5 Open
We present a new Chandra observation (performed in July 2016) of the neutron\nstar X-ray transient IGR J17480-2446, located in the globular cluster Terzan 5.\nWe study the continued cooling of the neutron star crust in this system that\nwa…
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Effects of Solidification Rate in the Microstructure of Al-Si5Cu3 Aluminum Cast Alloy Open
Submitted by Biblioteca Suporte PUCRS ([email protected]) on 2022-06-15T20:11:11Z\nNo. of bitstreams: 2\nEffects_of_Solidification_Rate_in_the_Microstructure_of_AlSi5Cu3_Aluminum_Cast_Alloy.pdf: 1537811 bytes, checksum: 2c96e5547…
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Effect of Melt‐Memory on the Crystal Polymorphism in Molded Isotactic Polypropylene Open
The influence of γ‐quinacridone as a β‐crystal nucleating agent in injection molded isotactic polypropylene (iPP) is discussed. Samples are injection molded and characterized via polarized‐light optical microscopy and X‐ray diffraction. Mo…
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Preparation and properties of capric acid–stearic acid-based ternary phase change materials Open
Two kinds of CA–SA-based ternary phase change materials (PCMs), namely, capric acid–stearic acid–palmitic acid (CA–SA–PA) and capric acid–stearic acid–octadecanol (CA–SA–OD), were prepared by the melting–blending method.
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CCT diagram plotting based on the numerical analysis of dilatometric tests results Open
This paper considers the issues related to plotting of continuous cooling transformation (CCT) phase diagram based on the dilatometric test results. The numerical data processing algorithm for uniformly analysis of the dilatometric curves …
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Effect of La on microstructure and corrosion behavior of 10%TiB2(p)/Al–5%Cu composites Open
The effect of La on microstructure and corrosion behavior of 10%TiB2(p)/Al–5%Cu composites was studied by using computer-aided cooling curve analysis (CA-CCA), X-ray diffraction, EDS, SEM, TEM and electrochemical testing. The experimental …
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Lifetime Estimation of Enameled Wires Under Accelerated Thermal Aging Using Curve Fitting Methods Open
© 2013 IEEE. Estimating the lifetime of enameled wires using the conventional/standard test method requires a significant amount of time that can endure up to thousands of testing hours, which could considerably delay the time-To-market of…
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An experimental analysis of quenching of continuously heated vertical rod with aqueous Al 2 O 3 nanofluid Open
Quenching characteristics of metallic vertical rod with an internal heater has been investigated in pure water and water-based nanofluid with alumina nanoparticles of 0.001% by volume. Initial temperature of the testing rod (12 mm diameter…
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Transformation characteristics of temperature and phases within Ti-6Al-4V aeroengine drum in hot forging and air cooling procedures Open
The phase distribution and evolution characteristics of titanium forged parts influenced by hot forging and subsequent air cooling procedures have an essential effect on the ones of final parts, resulting in a direct impact on their ultima…
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Phase Transformation Behavior of a β-Solidifying γ-TiAl-Based Alloy from Different Phase Regions with Various Cooling Methods Open
The phase transformation behavior of Ti-42Al-5Mn (at.%) alloy from different phase regions with various cooling rates was investigated based on electron probe micro analyzer-backscattered electrons (EPMA-BSE). It is shown that β→α2′ takes …
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Control of Columnar to Equiaxed Transition in Solidification Macrostructure of Austenitic Stainless Steel Castings Open
Solidification macrostructure is of great importance for the properties and the quality of castings made from austenitic grade stainless steels (ASS) because there are limited options to change as-cast macrostructure in the solid condition…