ALCOA EZCAST-NHT A152 AND A153

Alloy Digest ◽  
2020 ◽  
Vol 69 (10) ◽  
Keyword(s):  
Heat Treatment ◽  
High Pressure ◽  
Corrosion Resistance ◽  
Aluminum Alloys ◽  
Physical Properties ◽  
Die Casting ◽  
Alloying Element ◽  
Pressure Die Casting ◽  
Production Problems ◽  
Cast Condition

Abstract Alcoa EZCast-NHT A152 and A153 are proprietary, non-heat-treatable, high-pressure die casting (HPDC) aluminum alloys in which magnesium is the principal alloying element. These alloys develop the required strength and toughness in the as-cast condition, thus eliminating or minimizing numerous production problems, such as distortion, blistering, property variations, and heat treatment logistics. This datasheet provides information on composition, physical properties, microstructure, elasticity, and tensile properties. It also includes information on corrosion resistance. Filing Code: Al-469. Producer or source: Alcoa Corporation.

RHEINFELDEN CASTASIL-21

Alloy Digest ◽  
2021 ◽  
Vol 70 (5) ◽  
Keyword(s):  
Thermal Conductivity ◽  
High Pressure ◽  
Corrosion Resistance ◽  
Physical Properties ◽  
Tensile Properties ◽  
Die Casting ◽  
Heat Treating ◽  
Silicon Iron ◽  
High Pressure Die Casting ◽  
Pressure Die Casting

Abstract Rheinfelden Castasil-21 (Ci-21, AlSi9Sr) is an aluminum-silicon-iron-strontium high pressure die casting (HPDC) alloy. It was developed by Rheinfelden Alloys GmbH and Co. KG for castings that require an outstanding combination of electrical and/or thermal conductivity. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as casting, heat treating, machining, and joining. Filing Code: Al-476. Producer or source: Rheinfelden Alloys GmbH.

Effects of Physical Melt Treatments on Microstructural Evolution and Anodizing Characteristics of Al-Si Casting Alloys

2011 ◽  
Vol 695 ◽  
pp. 243-246 ◽  
Author(s):  
Je Sik Shin ◽  
Bong Hwan Kim ◽  
Sang Mok Lee
Keyword(s):  
Heat Treatment ◽  
High Pressure ◽  
Aluminum Alloys ◽  
Die Casting ◽  
Microstructural Feature ◽  
Casting Alloys ◽  
Melt Treatment ◽  
Twin Screw ◽  
A356 Aluminum ◽  
Pressure Die Casting

In order to investigate the effects of physical melt treatment on microstructural feature and anodizing characteristics of Al-Si system casting alloys, A380 and A356 aluminum alloys were chosen and a twin-screw melt-shearing process was utilized before high pressure die casting. In order to refine and homogenize the microstructure of the diecast Al-Si alloys, the melt-shearing process parameters were controlled and T6 heat treatment was carried out.

ALCOA 560

Alloy Digest ◽  
2021 ◽  
Vol 70 (7) ◽  
Keyword(s):  
Heat Treatment ◽  
High Pressure ◽  
Corrosion Resistance ◽  
Hot Cracking ◽  
Structural Components ◽  
Manganese Alloy ◽  
Die Cast ◽  
Production Problems ◽  
Cast Condition ◽  
Cracking Tendency

Abstract Alcoa 560 is a proprietary, non-heat-treatable, aluminum-magnesium-manganese alloy developed by Alcoa in the late 1990s for high pressure die cast structural components. This alloy develops the required strength and toughness in the as-cast condition, thus eliminating or minimizing numerous production problems, such as distortion, blistering, property variations, and heat treatment logistics. The application of this alloy is limited to simple-shaped components due to its high hot cracking tendency. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on corrosion resistance as well as casting and joining. Filing Code: Al-478. Producer or source: Alcoa Corporation.

Influence of Process Parameters on the Fluidity of High Pressure Die-Casting Al-Si Alloys

2013 ◽  
Vol 813 ◽  
pp. 171-174
Author(s):  
Young Chan Kim ◽  
Se Weon Choi ◽  
Cheol Woo Kim ◽  
Jae Ik Cho ◽  
Chang Seog Kang
Keyword(s):  
High Pressure ◽  
Aluminum Alloys ◽  
Treatment Time ◽  
Die Casting ◽  
Influence Of Process Parameters ◽  
Vacuum Suction ◽  
Gravity Casting ◽  
High Pressure Die Casting ◽  
Injection Speed ◽  
Pressure Die Casting

It is generally known that silicon influences the fluidity of aluminum alloys. There are several techniques to evaluate the fluidity of aluminum for gravity casting such as using spiral or serpentine type mold and vacuum suction test. However, fluidity of aluminum in high pressure die-casting has not been sufficiently studied. Therefore, in this study, the relationship between the fluidity and superheat of pouring aluminum alloy as well as injection speed was studied. A serpentine and step type die for evaluating the fluidity of aluminum alloys was designed and actual experiments were conducted for aluminum by varying many parameters such as pouring and injection speed and the content of silicon. The results showed that fluidity of aluminum in die-casting was quite similar to the gravity casting. Under high pressure die casting conditions, increased fluidity was measured as the silicon content, superheat, G.B.F treatment time and injection speed were increased.

The Effect of Alloying Elements on Thermal Conductivity of Aluminum Alloys in High Pressure Die Casting

2013 ◽  
Vol 813 ◽  
pp. 175-178 ◽  
Author(s):  
Cheol Woo Kim ◽  
Jae Ik Cho ◽  
Se Weon Choi ◽  
Young Chan Kim
Keyword(s):  
Thermal Conductivity ◽  
Aluminum Alloys ◽  
Die Casting ◽  
Pure Aluminum ◽  
High Thermal Conductivity ◽  
Alloying Elements ◽  
Alloying Element ◽  
Casting Alloys ◽  
Pressure Die Casting ◽  
Effect Of Alloying

Recently, demand of aluminum alloys for manufacturing in components with high thermal conductivity application increases. However, the most aluminum die casting alloys exhibit very lower thermal properties, about only a half of pure aluminum. In die casting alloys, alloying elements are essential to obtain sufficient fluidity and mechanical strength, therefore, in this study, the effect of alloying elements, Si, Cu, Mg, Fe and Mn, on thermal conductivity, die casting characteristics and mechanical properties were analyzed and the appropriate amount of each alloying element were investigated. The results showed that Mn had the most deleterious effect in thermal conductivity and Si and Fe contents were important to improve fluidity and strength. The alloy with 1.5~2.0wt.%Si and 0.6wt.%Fe showed very good combination of high thermal conductivity and sufficient casting characteristics.

RHEINFELDEN CASTASIL-37

Alloy Digest ◽  
2021 ◽  
Vol 70 (10) ◽  
Keyword(s):  
High Pressure ◽  
Die Casting ◽  
Heat Treating ◽  
Silicon Alloys ◽  
Aluminum Silicon Alloys ◽  
Structural Applications ◽  
Die Castings ◽  
Pressure Die Casting ◽  
Cast Condition ◽  
Aluminum Silicon

Abstract Rheinfelden Castasil-37 (AlSi9MnMoZr) is an aluminum-silicon-manganese-molybdenum-zirconium high pressure die casting (HPDC) alloy. It was developed by Rheinfelden Alloys GmbH for the production of large and complex high pressure die castings for automotive structural applications. This alloy is used in the as-cast condition, and exhibits good mechanical properties, especially elongation, which are superior to those of conventional aluminum-silicon alloys. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fatigue. It also includes information on corrosion resistance as well as casting, heat treating, and joining. Filing Code: Al-481. Producer or source: Rheinfelden Alloys GmbH & Co. KG.

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