solidification rate
Effect of solidification rate on microstructure evolution in dual phase microalloyed steel
... cooling rate from 900 to 400 °C (austenite decomposition temperature region) was applied to investigate the effect of only solidification rate on the room temperature ...
8
DESIGN AND OPTIMIZATION OF PERFECT GATING SYSTEM FOR UNIFORM SOLIDIFICATION RATE OF GIVEN COMPONENT
... by solidification of molten metal in a specific cavity to form a predesigned ...uniform solidification rate throughout the ...uniform solidification a proper method of casting and gating ...
9
The Effect of Solidification Rate on Morphology Microstructures and Mechanical Properties of 80%Cu-20%Sn Bronze Alloys
... increasing solidification rate that caused to reduce the solidification ...of solidification rate have effected on microstructure ...increasing solidification rate, the ...
8
Using confocal scanning laser microscopy to characterise as cast microstructures using cooling rates representative of thin slab direct cast steels
... at solidification rates of 1 and 50 °C/s (representative of that during thin slab ...coarsening rate was determined to be approximately 10 and 37 μm/s for the 1 and 50 °C/s cooled samples respectively, with ...
12
An Investigation into Solidification and Mechanical Properties Behavior of Al-Si Casting Alloys
... the creative of primary silicon at the hypereutectic. The effect of silicon content on the elongation% are shown in figure (5). Which can noticed that the elongation% increase gradually related to the silicon content ...
6
Mathematical Modeling and Computer Simulation of Particle Gradient Distribution in a Vertical Centrifugally Cast Functionally Gradient Composite
... ABSTRACT : Ceramic particles suspended in Aluminum melts for vertical centrifugal casting of Functionally Gradient Composite (FGC) have been studied. Force balance on ceramic particles is formulated and motion of ceramic ...
7
Effect of lanthanum addition on microstructure and hardness as cooling rate function of ADC12 eutectic cast alloy
... cooling rate which confirmed by image analysis ...cooling rate (lower thickness) at 5mm section ...(lower solidification rate) the Si particles decrease and showed very irregular, smaller, ...
5
The Influence of Different Casting Method on Solidification time and Mechanical Properties of AL- Sn castings
... the solidification and finally the cooling of the solid metal ...of solidification, the change of liquid to solid metal after pouring into the mold, is the defining event in the life cycle of a casting [4] ...
8
Feasibility Investigation of Laser Welding Aluminum Alloy 7075-T6 through the use of a 300 W, Single-Mode, Ytterbium Fiber Optic Laser.
... to solidification cracking because of better resistance to crack formation and propagation (Gaumann and Kurz, ...the solidification rate or welding speed, b) decreasing temperature gradient in the ...
89
Computer Modelling of Manufacturing Processes: The Development of a 2D Axisymmetric Model of the Bridgman Casting Process
... Bridgman solidification casting process, used in applications where the solidification rate and temperature gradient require careful ...Bridgman solidification is ...Bridgman ...
10
Properties of Centrifugal Casting at Different Rotational Speeds of the Die
... cooling rate is very low but at 600 RPM due to turbulence the cooling rate is faster and at 800 RPM the casting immediately forms uniform layer and the solidification rate ...
5
EFFECT OF MOULD WALL THICKNESS ON RATE OF SOLIDIFICATION OF CENTRIFUGAL CASTING
... the rate of ...the solidification takes place at faster ...Rapid solidification shows the well distributed fine grains and slow solidification rate shows coarse grain ...
5
Copper Based Bi-metallic Core Pin Using DMD: Industrial Evaluation
... From the thermal fatigue test it was evident that tool steel clad on copper alloy substrate provided a level of strength against cyclic heating and cooling condition [1]. It proved resistance to the mismatch of ...
5
Effects of Using Fins and Carboceramics on the Solidification Characteristics of Aluminum Casting Alloys?
... Studies conducted on cooling fins in moulding parts are limited. The main studies began since 1985 at Wiscon- sin-Madison University and continued by other research- ers [13]. Most studies have been on the effects of ...
8
Solidification of Nano Enhanced Phase Change Materials (NEPCM) in a Trapezoidal Cavity: A CFD Study
... A continuous increase of the gap between the energy demand and supply and the depletion of fossil fuels has received the attention of researchers in the last few decades. Consequently, there have been many efforts to ...
6
Quality Improvement of Ductile Iron Casting by Thermal Analysis
... complete solidification of the metal, a concentration of graphite nodules occurs at the cope surface (top part of the mould) and immediately under cored ...
7
Geometry Dependency of Filling Related Defects
... and solidification analysis of these parts are carried out using ANSYS keeping same mesh size, cast metal, mould material, inlet condition (mass flow rate and pouring temp) and boundary condition (heat ...
5
Continuous Semi Solid Casting Process for Aluminum Alloy Billets
... The solidification structure of the billets obtained by this process is a mixed structure of granular particles and a fine eutectic structure, except in a thin chill layer about 2 mm in thickness, which shows a ...
6
Rapid solidification morphologies in Ni3Ge: Spherulites, dendrites and dense-branched fractal structures
... rapid solidification processing, wherein rapid crystallization results in a reduction of the degree of chemical ...rapid solidification processing is critical to the increased uptake of intermetallics in ...
18
Determination of the origin of anomalous eutectic structures from in-situ observation of recalescence behaviour
... Abstract. A melt encasement (fluxing) method has been used to undercool Ag-Cu alloy at its eutectic composition. The recalescence of the undercooled alloy has been filmed at high frame rate. At low undercooling ...
7