The evolution of microstructure and mechanical properties of a356 aluminum alloy subjected to hot spinning process has been investigated. The requirements of high conductivity and mechanical strength can be met by use of longline, highvoltage, aluminum steelcored reinforced transmission cable. The specifications, properties, classifications and class details are provided for aluminium and aluminium alloys. Pdf mechanical properties of the a356 aluminum alloy.
Our t6 heat treatment of a356 aluminum castings offers increase in hardness and other mechanical properties, which is often required for many applications. Express 7 036535 view the article online for updates and enhancements. Jul 20, 2016 enhancementthemechanicalpropertiesofaluminumcastingalloysa356byaddingnanorodsstructuresfromzincoxide21690022328. Heat treatment was done to harness the full potential of cast a356 alloy and t6 heat treatment is the commonly used treatment for this alloy. This study investigates how the microstructure and mechanical properties of different section size vary before and after heat treatment and aging processes. Production and mechanical properties of sicp particlereinforced 2618 aluminum alloy composites. Experimental results showed how c355t6 alloy is characterized by superior mechanical properties as compared to a356t6, especially in the overaged condition, due to the higher thermal stability induced by cubased strengthening precipitates. Alloy specifications, chemistries, and technical data. The structure and mechanical properties of an aluminium a356. This datasheet provides information on key alloy metallurgy, processing effects on physical and mechanical properties, and applications characteristics of alsimg highstrength casting alloys 356. The structure and mechanical properties of an aluminium a356 alloy base composite with al2o3 particle additions compositescastings with an aluminium a356 alloy base and additions of 1, 2, and 3 % wt. The purpose of this research is to investigate coppers influence on an alsimg alloy a356. The t6 heat treatment is a solutionanneal heat treat followed by a 320f aging.
Mechanical properties in mmc of aluminum alloy a356 lm25 matrix and boron carbide b 4 c reinforcement mr. A356 has very good casting and machining characteristics. The versatility of aluminium makes it the most widely used metal after steel. See the chemical composition and physical properties of astm b26 grade a356. Microstructure and mechanical properties of a356 aluminum. The paper deals with influence of mechanical mixing and vibration treatment on the structure and mechanical characteristics of the aluminum alloy containing. Heat treatment of a356 aluminum castings to t5 and t6. Composition information provided by the aluminum association and is not for design. Because of the specific microstructure and characteristics, the heat treatment conditions of ssma356 were explored through. It can also be used as a substitute for aluminum alloy 6061. Aluminum alloy a356 is used in a variety of structural, auto. We specialize in quality, speed and precisely cast and machined. Aluminum is often selected for its electrical conductivity, which is nearly twice that of copper on an equivalent weight basis. This datasheet provides information on key alloy metallurgy, processing effects on physical and mechanical properties, and applications characteristics of.
The graph bars on the material properties cards below compare a356. Determination of acceptable quality limit for casting of a356. Heat treatment response and influence of overaging on. This data is not meant to replace design guides and specifications and should not be used by themselves for design purposes. Soak hold times can vary between two and 24 hours depending upon the alloy and the crosssectional thickness of the part.
Data points with the aa note have been provided by the aluminum association, inc. The mechanical properties of al o aluminum alloy a356. Compositescastings with an aluminium a356 alloy base and additions of 1, 2, and 3 % wt. The castings are first allowed to cool naturally and are then heated at an elevated temperature in one of our high temperature ovens. It has better corrosion resistances, is lightweight, and its benefits include ease of casting, good mechanical properties, and dimensional stability.
Most matweb aluminum entries, especially entries with a specific temper in the name, have much more property data. Feel free to contact us to see if we can help meet your a356 or 355 aluminum casting needs. Increasing the volume fraction andor reducing the size of al2o3 nanoparticulates increase both the tensile and yield strengths of the nanocomposites. A356 aluminum casting alloy is used for aircraft parts, pump housings, impellers, high velocity blowers and structural castings where high strength is required. The table above portrays the typical mechanical properties of common cast aluminum alloys and tempers based on heat. Journal of alloys and compounds 419 2006 98102 the mechanical properties of al 2o 3aluminum alloy a356 composite manufactured by squeeze casting shangnan choua, jowlay huanga. The ascast microstructure, microstructure evolution during reheating and the mechanical properties of the thixoforged a356 aluminum alloy wheels were investigated. Aluminum silicon a356, albite, mmcs, microstructure, and mechanical properties. Lower temperatures and longer times promote precipitation and. Mechanical properties aluminum a360 a380 a383 b390 a4. A356 alloys applications, mechanical properties of a356 alloy. Evaluation of mechanical properties of aluminium alloy aa. Ansiaa cast aluminums top, all aluminum alloys middle, and.
A356 alloy, thixotropic structure, mechanical properties. This alloy is typically heat treated to improve its strength characteristics. A356 aluminum castings cost a little more but are great for machine parts, chassis parts, along with other structural parts requiring high strength or pressure tightness. A preformed a356 alloys with thixotropic structure designated ssma356 was systematically studied on mechanical properties in order to establish the database for further investigations in forming and heat treatment. Effect of solution treatment on microstructure and mechanical. A356 aluminum casting alloy has very good casting and machining characteristics. Aluminum alloys refer to astm specification b26b26m09. Mechanical properties alloy yield strength mpa uts mpa elongation % fatigue strength mpa, r1, 107 cycles a356t6 240 300 7 70 c862ft6 320350 375400 812 100 the achievable mechanical properties are strongly dependent on the casting process used. Aluminum microstructure evolution and effects on mechanical. As cast t6 solution heat treat, quench and artificially age.
The a in front of an alloy designation denotes a higher purity version of the. A b s t r a c t a356 alloys are ever more accepted in aircraft and automobile due to their high strengthtoweight ratio and its thixotropic structure designated ssm a356. The results indicated that the deformation process homogenized microstructure and improved mechanical properties of. Pdf mechanical properties of the a356 aluminum alloy modified. A methodology to predict the effects of quench rates on. Evaluation of mechanical properties of a356 alloy based hybrid composite at different aging conditions. The results of this study propose that the extent of natural ageing in a356. The a356 aluminum alloy wheels were prepared by thixoforging combined with a low superheat casting process. Pdf microstructure and mechanical properties of mwcnts. Aluminium specifications, properties, classifications. Effect of ageing heat treatment on the hardness and tensile. Study on mechanical properties of a356 alloys enhanced with preformed thixotropic structure 273 obvious drop on toughness of ssm a356 after t6 treatment might be related to strain rate under the test and fracture mechanism of almost completely spheorodized eutectic silicon.
Mechanical properties in mmc of aluminum alloy a356lm25. The structure and mechanical properties of an aluminium. A side by side investigation of the microstructure. Typically this alloy is used in castings for aircraft parts, pump housings, impellers, high velocity blowers and structural castings where high strength is required. A356 hypoeutectic aluminumsilicon alloys matrix composites reinforced by different contents of multiwalled carbon nanotubes mwcnts were fabricated using a combination of rheocasting and squeeze casting techniques. Effect of ageing heat treatment on the hardness and. Alloy composition at 6 locations inside the a356 casting. Alcast company is primarily an a356 permanent mold aluminum foundry, but we have various applications cast with aluminum alloy 355.
Aluminium a356 alloy is widely used at automobile and aircraft industries in the form of cast component with varying section size. Properties and selection of aluminum alloys asm international. May 17, 2005 aluminium is the worlds most abundant metal. Alloy type applicable specification chemical composition mechanical properties min. Evaluation of mechanical properties of a356 alloy based. Jalappa institute of technology, doddaballapur, bangalore rural dist. Aluminium specifications, properties, classifications and. A preformed a356 aluminum alloy with thixotropic structure. The table refers typical properties obtained in semipermanent mold castings. To achieve this temper, the metal is solution heattreated and artificially aged until it meets standard mechanical property requirements. Mmcs attributes include alterations in mechanical behavior e. Elevated temperatures tensile characteristics of cast a356. Introduction metalmatrix composites mmcs have been attracting growing interest.
Mechanical properties of the a356 aluminum alloy modified. A b s t r a c t a356 alloys are ever more accepted in aircraft and automobile due to their high strengthtoweight ratio and its thixotropic structure designated ssma356. Mechanical properties of the a356 aluminum alloy modified with lace article pdf available in journal of rare earths 318. Sc thesis ye george llu mcmaster mechanical engineering. A356 hypoeutectic aluminum silicon alloys matrix composites reinforced by different contents of multiwalled carbon nanotubes mwcnts were fabricated using a combination of rheocasting and squeeze casting techniques. Properties in excess of those quoted can be obtained with strontium additions e. Evolution of microstructure and mechanical properties of. Mechanical properties of the a356 aluminum alloy modified with lace.
Corrosion resistance is excellent and it has very good weldability characteristics. Madhu kumar yc, uma shankar, 2012, evaluation of mechanical properties of aluminium alloy 6061glass particulates reinforced metal. Mechanical behavior of a356albite composite material. Nanocomposites, mechanical properties, rhecocasting, squeeze casting, aluminum alloys 1. This alloy has higher strength and ductility than 356 because the levels of impurities are lower. Its specific tensile strength and rigidity are superior to other aluminum alloys. Alloy a356 has greater elongation, higher strength and considerably higher ductility than alloy 356. Mechanical properties alloy yield strength mpa uts mpa elongation % fatigue strength mpa, r1, 107 cycles a356 t6 240 300 7 70 c862ft6 320350 375400 812 100 the achievable mechanical properties are strongly dependent on the casting process used. Aluminum alloys are widely used in many manufacturing areas due to good castability, lightness and mechanical properties. The thermal conductivity of aluminum alloys, about 50 to 60%. Pdf structure and mechanical properties of a356c alloys. In this work, effect of solution temperature, solution time, and quenching medium temperature on the microstructure and mechanical properties of a356. Alloy 4008 is a tightly controlled chemistry version of a356.
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