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'''Alusil''' as a [[eutectic system|hypereutectic]] [[aluminium]]-[[silicon]] [[alloy]] (EN AC-AlSi17Cu4Mg / EN AC-48100 or A390) contains approximately 78% aluminium and 17% silicon.<ref name=KSPG-AG>{{cite web|title=ALUSIL - Cylinder Blocks for the new Audi V6 and V8 SI engines |url=http://www.kspg-ag.com/pdfdoc/kspg_produktbroschueren/a_audi_zkg_e.pdf |format=PDF |work=KS Aluminium-Technologie AG |publisher=KSPG-AG.com |date= |accessdate=13 January 2010 }}{{dead link|date=July 2017 |bot=InternetArchiveBot |fix-attempted=yes }}</ref><ref name=finishing.com>{{cite web|title=What is Alusil coating?|url=http://www.finishing.com/3600-3799/3605.shtml|work=finishing dot com|publisher=finishing.com|accessdate=13 January 2010}}</ref> This alloy was theoretically conceived in 1927 by [[Schweizer & Fehrenbach]]<ref name=Rheinmetall>{{cite web|title=Rheinmetall's tradition of automotive excellence|url=http://www.rheinmetall-detec.de/index.php?lang=3&fid=3397|work=Rheinmetall Defence|publisher=Rheinmetall-Detec.de|date=January 2006|accessdate=23 May 2020|url-status=dead|archiveurl=https://archive.today/20060925031207/http://www.rheinmetall-detec.de/index.php?lang=3&fid=3397|archivedate=25 September 2006}}</ref>, of the Badener Metall-waren-Fabrik, 2a Hermannstraße, Baden-Baden;<ref>{{cite book |title=Addreßbuch Baden-Baden 1926 |place=Baden-Baden |publisher=Ernst Koelblin |pages=49, 80, 185, 375 |url=https://www.baden-baden.de/mam/files/kultur/stadtarchiv/adressbuecher/1926_adressbuch_baden_baden.pdf}}</ref> but practically created only by [[Lancia]]<ref>{{Cite book|title=Pionieri dell'automobile. Lancia, Bazzi, Ferrari|last=Manicardi N.|publisher=Il Fiorino|year=2014|isbn=88-7549-464-9|location=Modena (IT)|pages=}}</ref> in the same year, for its car engines. It was further developed by [[Rheinmetall Automotive|Kolbenschmidt]].<ref name=finishing.com/>
'''Alusil''' as a [[eutectic system|hypereutectic]] [[aluminium]]-[[silicon]] [[alloy]] (EN AC-AlSi17Cu4Mg / EN AC-48100 or A390) contains approximately 78% aluminium and 17% silicon.<ref name=KSPG-AG>{{cite web|title=ALUSIL - Cylinder Blocks for the new Audi V6 and V8 SI engines |url=http://www.kspg-ag.com/pdfdoc/kspg_produktbroschueren/a_audi_zkg_e.pdf |format=PDF |work=KS Aluminium-Technologie AG |publisher=KSPG-AG.com |date= |accessdate=13 January 2010 }}{{dead link|date=July 2017 |bot=InternetArchiveBot |fix-attempted=yes }}</ref><ref name=finishing.com>{{cite web|title=What is Alusil coating?|url=http://www.finishing.com/3600-3799/3605.shtml|work=finishing dot com|publisher=finishing.com|accessdate=13 January 2010}}</ref> This alloy was theoretically conceived in 1927 by [[Schweizer & Fehrenbach]],<ref name=Rheinmetall>{{cite web|title=Rheinmetall's tradition of automotive excellence|url=http://www.rheinmetall-detec.de/index.php?lang=3&fid=3397|work=Rheinmetall Defence|publisher=Rheinmetall-Detec.de|date=January 2006|accessdate=23 May 2020|url-status=dead|archiveurl=https://archive.today/20060925031207/http://www.rheinmetall-detec.de/index.php?lang=3&fid=3397|archivedate=25 September 2006}}</ref> of the Badener Metall-waren-Fabrik, 2a Hermannstraße, Baden-Baden;<ref>{{cite book |title=Addreßbuch Baden-Baden 1926 |place=Baden-Baden |publisher=Ernst Koelblin |pages=49, 80, 185, 375 |url=https://www.baden-baden.de/mam/files/kultur/stadtarchiv/adressbuecher/1926_adressbuch_baden_baden.pdf}}</ref> but practically created only by [[Lancia]]<ref>{{Cite book|title=Pionieri dell'automobile. Lancia, Bazzi, Ferrari|last=Manicardi N.|publisher=Il Fiorino|year=2014|isbn=88-7549-464-9|location=Modena (IT)|pages=}}</ref> in the same year, for its car engines. It was further developed by [[Rheinmetall Automotive|Kolbenschmidt]].<ref name=finishing.com/>


The Alusil aluminium alloy is commonly used to make [[cylinder liner|liner]]less aluminium alloy [[engine block]]s.<ref>{{cite web|title=High-performance engine blocks for tomorrow’s challenges|url=http://www.kspg-ag.de/index.php?lang=2&fid=444#11|work=Kolbenschmidt Pierburg AG|publisher=KSPG-AG.com|date=12 September 2005|accessdate=13 January 2010|url-status=dead|archiveurl=https://www.webcitation.org/6BEJm7V5A?url=http://www.kspg-ag.de/index.php?lang=2&fid=444#11|archivedate=2012-10-07}}</ref> Alusil, when etched, will expose a very hard silicon precipitate. The silicon surface is non-porous enough to hold [[motor oil|oil]], and is an excellent bearing surface. [[BMW]] switched from [[Nikasil]]-coated cylinder walls to Alusil in 1996 to eliminate the corrosion problems caused through the use of petrol/gasoline containing sulfur.
The Alusil aluminium alloy is commonly used to make [[cylinder liner|liner]]less aluminium alloy [[engine block]]s.<ref>{{cite web|title=High-performance engine blocks for tomorrow’s challenges|url=http://www.kspg-ag.de/index.php?lang=2&fid=444#11|work=Kolbenschmidt Pierburg AG|publisher=KSPG-AG.com|date=12 September 2005|accessdate=13 January 2010|url-status=dead|archiveurl=https://www.webcitation.org/6BEJm7V5A?url=http://www.kspg-ag.de/index.php?lang=2&fid=444#11|archivedate=2012-10-07}}</ref> Alusil, when etched, will expose a very hard silicon precipitate. The silicon surface is non-porous enough to hold [[motor oil|oil]], and is an excellent bearing surface. [[BMW]] switched from [[Nikasil]]-coated cylinder walls to Alusil in 1996 to eliminate the corrosion problems caused through the use of petrol/gasoline containing sulfur.

Revision as of 09:30, 13 September 2020

Alusil as a hypereutectic aluminium-silicon alloy (EN AC-AlSi17Cu4Mg / EN AC-48100 or A390) contains approximately 78% aluminium and 17% silicon.[1][2] This alloy was theoretically conceived in 1927 by Schweizer & Fehrenbach,[3] of the Badener Metall-waren-Fabrik, 2a Hermannstraße, Baden-Baden;[4] but practically created only by Lancia[5] in the same year, for its car engines. It was further developed by Kolbenschmidt.[2]

The Alusil aluminium alloy is commonly used to make linerless aluminium alloy engine blocks.[6] Alusil, when etched, will expose a very hard silicon precipitate. The silicon surface is non-porous enough to hold oil, and is an excellent bearing surface. BMW switched from Nikasil-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:

See also

References

  1. ^ a b c "ALUSIL - Cylinder Blocks for the new Audi V6 and V8 SI engines" (PDF). KS Aluminium-Technologie AG. KSPG-AG.com. Retrieved 13 January 2010.[permanent dead link‍]
  2. ^ a b "What is Alusil coating?". finishing dot com. finishing.com. Retrieved 13 January 2010.
  3. ^ a b c "Rheinmetall's tradition of automotive excellence". Rheinmetall Defence. Rheinmetall-Detec.de. January 2006. Archived from the original on 25 September 2006. Retrieved 23 May 2020.
  4. ^ Addreßbuch Baden-Baden 1926 (PDF). Baden-Baden: Ernst Koelblin. pp. 49, 80, 185, 375.
  5. ^ Manicardi N. (2014). Pionieri dell'automobile. Lancia, Bazzi, Ferrari. Modena (IT): Il Fiorino. ISBN 88-7549-464-9.
  6. ^ "High-performance engine blocks for tomorrow's challenges". Kolbenschmidt Pierburg AG. KSPG-AG.com. 12 September 2005. Archived from the original on 2012-10-07. Retrieved 13 January 2010.
  7. ^ a b "KS Aluminium-Technologie: engine blocks for the new Audi A6". Rheinmetall AG. Rheinmetall.de. August 2004. Retrieved 13 January 2010.[permanent dead link‍]
  8. ^ "High-tech products for the new and advanced BMW V12". Kolbenschmidt Pierburg AG. KSPG-AG.com. 10 January 2003. Archived from the original on 2012-10-07. Retrieved 13 January 2010.
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