HOME

TheInfoList



OR:

Alusil as a
hypereutectic A eutectic system or eutectic mixture ( ) is a homogeneous mixture that has a melting point lower than those of the constituents. The lowest possible melting point over all of the mixing ratios of the constituents is called the ''eutectic tempe ...
aluminium Aluminium (aluminum in American and Canadian English) is a chemical element with the symbol Al and atomic number 13. Aluminium has a density lower than those of other common metals, at approximately one third that of steel. I ...
-
silicon Silicon is a chemical element with the symbol Si and atomic number 14. It is a hard, brittle crystalline solid with a blue-grey metallic luster, and is a tetravalent metalloid and semiconductor. It is a member of group 14 in the periodic tab ...
alloy An alloy is a mixture of chemical elements of which at least one is a metal. Unlike chemical compounds with metallic bases, an alloy will retain all the properties of a metal in the resulting material, such as electrical conductivity, ductility, ...
(EN AC-AlSi17Cu4Mg / EN AC-48100 or A390) contains approximately 78% aluminium and 17% silicon. This alloy was theoretically conceived in 1927 by Schweizer & Fehrenbach, of the Badener Metall-Waren-Fabrik, 2a Hermannstraße, Baden-Baden; but practically created only by
Lancia Lancia () is an Italian car manufacturer and a subsidiary of FCA Italy S.p.A., which is currently a Stellantis division. The present legal entity of Lancia was formed in January 2007 when its corporate parent reorganised its businesses, but it ...
in the same year, for its car engines. It was further developed by Kolbenschmidt. The Alusil aluminium alloy is commonly used to make
liner A low-ionization nuclear emission-line region (LINER) is a type of galactic nucleus that is defined by its spectral line emission. The spectra typically include line emission from weakly ionized or neutral atoms, such as O, O+, N+, and S+. ...
less aluminium alloy
engine block In an internal combustion engine, the engine block is the structure which contains the cylinders and other components. In an early automotive engine, the engine block consisted of just the cylinder block, to which a separate crankcase was atta ...
s. Alusil, when etched, will expose a very hard silicon precipitate. The silicon surface is non-porous enough to hold
oil An oil is any nonpolar chemical substance that is composed primarily of hydrocarbons and is hydrophobic (does not mix with water) & lipophilic (mixes with other oils). Oils are usually flammable and surface active. Most oils are unsaturated ...
, and is an excellent bearing surface. BMW switched from
Nikasil Nikasil is a trademarked electrodeposited lipophilic nickel matrix silicon carbide coating for engine components, mainly piston engine cylinder liners. Development Nikasil was introduced by Mahle in 1967, and initially developed to allow Wankel ...
-coated cylinder walls to Alusil in 1996 to eliminate the corrosion problems caused through the use of petrol/gasoline containing sulfur. Engines using Alusil include: *
Audi Audi AG () is a German automotive manufacturer of luxury vehicles headquartered in Ingolstadt, Bavaria, Germany. As a subsidiary of its parent company, the Volkswagen Group, Audi produces vehicles in nine production facilities worldwide. Th ...
2.4 V6 *Audi 4.2 MPI V8 *Audi 3.2 FSI V6 *Audi 4.2 FSI V8 *Audi 5.2 FSI V10 *Audi/
Volkswagen Volkswagen (),English: , . abbreviated as VW (), is a German Automotive industry, motor vehicle manufacturer headquartered in Wolfsburg, Lower Saxony, Germany. Founded in 1937 by the German Labour Front under the Nazi Party and revived into a ...
6.0 W12 *
BMW M52 The BMW M52 is a straight-6 DOHC petrol engine which was produced from 1994 to 2000. It was released in the E36 320i, to replace the M50. The BMW S52 engine is a high performance variant of the M52 which powered the American and Canadian market E ...
I6 *
BMW M54 The BMW M54 is a naturally aspirated straight-6 petrol engine produced from 2000 to 2006. It was released in the E53 X5 and is the replacement for the M52 engine. The S54 is the equivalent high performance engine, used in the E46 M3, the Z3 M ...
I6 *
BMW N52 The BMW N52 is a naturally aspirated straight-six petrol engine which was produced from 2004 to 2015. The N52 replaced the BMW M54 and debuted on the E90 3 Series and E63 6 Series. The N52 was the first water-cooled engine to use magnesium/al ...
I6 *
BMW M62 BMW M62 is a naturally aspirated V8 petrol engine which was produced from 1995 to 2005. A successor to the BMW M60, the M62 features an aluminium engine block and a single row timing chain. In 1998, a Technical Update included VANOS (variable va ...
V8 *
BMW N62 The BMW N62 is a naturally aspirated V8 petrol engine which was used in BMW cars from 2001–2010. It also remained in small-scale production for the Morgan Aero until 2019. The N62 is the world's first engine to use a continuously variable-len ...
V8 *
BMW N63 The BMW N63 is a twin-turbocharged V8 petrol engine which has been in production from 2008 to present. The N63 is the world's first production car engine to use a "hot-vee" layout, with the turbochargers located inside the "V" of the engine. It is ...
V8 * BMW M70/M73 V12 *BMW S65 & S85 M Engines *
Mercedes-Benz M112 engine The Mercedes-Benz M112 engine is a gasoline-fueled, 4-stroke, spark-ignition, internal-combustion automobile piston V6 engine family used in the 2000s. Introduced in 1998, it was the first V6 engine ever built by Mercedes. A short time later the ...
V6 *
Mercedes-Benz M113 engine The Mercedes-Benz M113 (and similar M155) engine is a gasoline-fueled, spark-ignition internal-combustion V8 automobile engine family used in the 2000s. It is based on the similar M112 V6 introduced in 1998, then later phased out in 2007 for th ...
V8 * Mercedes 560 SEL M117 V8 * Mercedes M119 V8 *
Porsche 928 The Porsche 928 is a luxury grand tourer produced by Porsche AG of Germany from 1978 until 1995. Originally intended to replace the company's iconic 911, the 928 combined the power, poise, and handling of a sports car with the refinement, comfort ...
V8 * Porsche 924S I4 *
Porsche 944 The Porsche 944 is a sports car manufactured by German automobile manufacturer Porsche from 1982 until 1991. A front-engine, rear-wheel drive mid-level model based on the 924 platform, the 944 was available in coupé or cabriolet body styles, w ...
I4 *
Porsche 968 The Porsche 968 is a sports car manufactured by German automobile manufacturer Porsche AG from 1991 until 1995. It was the final evolution of a series of water-cooled front-engine rear wheel drive models begun almost 20 years earlier with the ...
I4 *
Porsche Cayenne The Porsche Cayenne is a series of mid-size luxury crossover sport utility vehicles manufactured by the German automaker Porsche since 2002 (Type 9PA or E1), with North American sales beginning in 2003. It is the first V8-engined vehicle built b ...
V8


See also

*
Hypereutectic piston A hypereutectic piston is an internal combustion engine piston cast using a hypereutectic aluminum alloy with silicon content greater than the eutectic point of 12 weight percent silicon. Most aluminum-silicon casting alloys are hypoeutectic (Si ...


References


External links


Kolbenschmidt Pierburg
- official website of Alusil trademark holder {{Aluminium alloys Aluminium alloys 1927 introductions Aluminium–silicon alloys