COMPOSITION OF ALUMINUM ALLOY FOR LOCAL ENFORCEMENT AND, ALUMINUM PISTON WITH LOCAL ENFORCEMENT LAYER USING THE SAME

摘要

According to the present invention, it is wearability aluminum piston axis (10) required for covering welding local location durability that a kind of aluminum alloy composition, which is used to form local strengthening and saves bit by bit,. Aluminium piston the invention discloses aluminum alloy composition for local strengthening has silicon (Si) content in 5-8 weight % silicon (Si) content by the carbon nanotube (CNT) of addition 1-5 weight % or the grapheme and aluminium alloy of 1-5 weight %, silicon (Si) content of 10-13 weight %, aluminium (aluminium) is main component to silicon (Si) content of 15-19 weight % simultaneously. ;The 2015 of copyright KIPO submissions