Abstract

The invention relates to an alloy for casting components on an aluminium-magnesium-copper-manganese basis, with a composition consisting of: 5.0 to 9.5% by weight magnesium; 3.0 to 7.5% by weight copper; 1.5 to 4.7% by weight silicon; 0.1 to 1.0% by weight manganese; max. 2% by weight nickel; max. 1% by weight iron; max. 0.5% by weight zirconium; up to 500 ppm beryllium, up to 0.5 % by weight titanium; max. 0.8% by weight strontium; up to 500 ppm phosphorus; optionally up to 0.5% by weight of the elements zinc, chromium, molybdenum, vanadium, hafnium, calcium, gallium or boron and the remainder aluminium and unavoidable impurities. The invention is also directed to a component cast from the aforementioned alloy, preferably cast by gravity die casting. The invention is directed furthermore to a cylinder head which comprises the alloy according to the invention.

IPC Classes  ?

• C22C 21/06 - Alloys based on aluminium with magnesium as the next major constituent
• C22C 21/08 - Alloys based on aluminium with magnesium as the next major constituent with silicon
• C22C 21/14 - Alloys based on aluminium with copper as the next major constituent with silicon
• C22C 21/16 - Alloys based on aluminium with copper as the next major constituent with magnesium
• C22F 1/047 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
• C22F 1/057 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with copper as the next major constituent

Abstract

An aluminium, magnesium and silicon-based die casting alloy having 5.0-7.0 wt. % magnesium, 1.5-7.0 wt. % silicon, 0.3-0.8 wt. % manganese, 0.03-0.5 wt. % iron, 0.01-0.4 wt. % molybdenum, 0.01-0.3 wt. % zirconium, 0-0.25 wt. % titanium, 0-0.25 wt. % strontium, 0-250 ppm phosphorus, 0-4 wt. % copper and 1-10 wt. % zinc, the remainder being aluminium and inevitable impurities.

IPC Classes  ?

• C22C 21/08 - Alloys based on aluminium with magnesium as the next major constituent with silicon
• C22F 1/047 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
• C22F 1/05 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
• B22D 21/00 - Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedureSelection of compositions therefor

Abstract

A cast alloy including iron 0.8-3.0 wt. %, magnesium 0.01-9.0 wt. %, manganese 0-2.5 wt. %, beryllium 0-500 ppm, titanium 0-0.5 wt. %, silicon 0-0.8 wt. %, strontium 0-0.8 wt. %, phosphorus 0-500 ppm, copper 0-4 wt. %, zinc 0-10 wt. %, 0-0.5 wt. % of an element or a group of elements selected from the group consisting of chromium, nickel, molybdenum, zirconium, vanadium, hafnium, calcium, gallium and boron, and the remainder being aluminium and unavoidable impurities.

IPC Classes  ?

• C22C 21/08 - Alloys based on aluminium with magnesium as the next major constituent with silicon
• C22F 1/047 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
• C22F 1/043 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
• C22C 21/00 - Alloys based on aluminium

Abstract

The invention relates to an aluminium, magnesium and silicon-based die casting alloy consisting of: 5.0 - 7.0 wt.-% magnesium; 1.5 - 7.0 wt.% silicon; 0.3 - 0.8 wt.% manganese; 0.03 - 0.5 wt.% iron; 0.01 - 0.4 wt.% molybdenum; 0.01 - 0.3 wt.%zirconium; 0 - 0.25 wt.% titanium; 0 - 0.25 wt.% strontium; 0 - 250 ppm phosphorus; 0 - 4 wt.% copper and 1 0 % zinc; the remainder being aluminium and inevitable impurities.

IPC Classes  ?

• C22C 21/08 - Alloys based on aluminium with magnesium as the next major constituent with silicon
• C22F 1/047 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
• C22F 1/05 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions

Abstract

The invention relates to a die casting alloy on an aluminum-silicon base with a composition consisting of: 8.5 to 11.5 wt.% of silicon; 0.1 to 0.5 wt.% of magnesium; 0.3 to 0.8 wt.% of manganese; 0.02 to 0.5 wt.% of iron; 0.005 to 0.5 wt.% of zinc; 0.02 to 0.3 wt.% of molybdenum; 0.1 to 0.5 wt.% of copper; 0.02 to 0.15 wt.% of titanium; 0.02 to 0.3 wt.% of zirconium, 5 to 250 ppm of phosphorus, 10 to 200 ppm of gallium and the remainder of aluminum and unavoidable impurities. The alloy can be produced with a recycling rate of 50 %.

IPC Classes  ?

• C22C 21/02 - Alloys based on aluminium with silicon as the next major constituent
• C22C 21/04 - Modified aluminium-silicon alloys
• C22F 1/043 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent

Abstract

The invention relates to an aluminium, magnesium and silicon-based die casting alloy consisting of: 5.0 - 7.0 wt.-% magnesium; 1.5 - 7.0 wt.% silicon; 0.3 - 0.8 wt.% manganese; 0.03 - 0.5 wt.% iron; 0.01 - 0.4 wt.% molybdenum; 0.01 - 0.3 wt.%zirconium; 0 - 0.25 wt.% titanium; 0 - 0.25 wt.% strontium; 0 - 250 ppm phosphorus; 0 - 4 wt.% copper and 1 0 % zinc; the remainder being aluminium and inevitable impurities.

IPC Classes  ?

• C22C 21/08 - Alloys based on aluminium with magnesium as the next major constituent with silicon
• C22F 1/047 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
• C22F 1/05 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions

Abstract

The invention relates to a die casting alloy on an aluminum-silicon base with a composition consisting of: 8.5 to 11.5 wt.% of silicon; 0.1 to 0.5 wt.% of magnesium; 0.3 to 0.8 wt.% of manganese; 0.02 to 0.5 wt.% of iron; 0.005 to 0.5 wt.% of zinc; 0.02 to 0.3 wt.% of molybdenum; 0.1 to 0.5 wt.% of copper; 0.02 to 0.15 wt.% of titanium; 0.02 to 0.3 wt.% of zirconium, 5 to 250 ppm of phosphorus, 10 to 200 ppm of gallium and the remainder of aluminum and unavoidable impurities. The alloy can be produced with a recycling rate of 50 %.

IPC Classes  ?

• C22C 21/02 - Alloys based on aluminium with silicon as the next major constituent
• C22C 21/04 - Modified aluminium-silicon alloys
• C22F 1/043 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent

Abstract

The invention relates to a cast alloy comprising: iron 0.8 - 3.0 wt.%, magnesium 0.01 - 9.0 wt. %, manganese 0 - 2.5 wt. %, beryllium 0 - 500 ppm, titanium 0 - 0.5 wt. %, silicon 0 - 0.8 wt. %, strontium 0 - 0.8 wt. %, phosphorus 0 - 500 ppm, copper 0 - 4 wt. %, zinc 0 - 10 wt. %, and 0 - 0.5 wt. % of an element or a group of elements selected from the group consisting of chromium, nickel, molybdenum, zirconium, vanadium, hafnium, calcium, gallium and boron, and the remainder being aluminium and unavoidable impurities.

IPC Classes  ?

• C22C 21/00 - Alloys based on aluminium
• C22F 1/043 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent

Goods & Services

Common metals and their alloys, in particular aluminium and aluminium alloys; foundry alloys of common metal, in particular of aluminium, in the form of ingots, trays and billets.

Goods & Services

(1) Common metals and their alloys, in particular aluminum and aluminum alloys; foundry alloys of common metal, in particular of aluminum, in the form of ingots, trays and billets

Abstract

An aluminum die-casting alloy comprising: 1 to 6 % by weight nickel, 1 to 5 % by weight manganese, 0.1 to 0.4 % by weight zirconium, 0.1 to 0.4 % by weight vanadium, 0. 1 to 1 % by weight tungsten and/ or 0. 1 to 1 % molybdenum, optionally up to 2 % by weight iron, optionally up to 1 % by weight titanium, optionally up to 2 % by weight magnesium, optionally up to 0.5 % by weight silicon, optionally up to 0.5 % by weight copper, optionally up to 0,5 % by weight zinc, optionally total maximum 5 % by weight transition elements including strontium, scandium, lanthanum, yttrium, hafnium, niobium, tantalum, and/or chromium, and aluminum as the remainder with further elements present as impurities due to production such that the total maximum of impurity elements is 1 % by weight.

IPC Classes  ?

• C22C 21/00 - Alloys based on aluminium
• C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon

Abstract

In a process for producing formed parts made of an aluminum alloy, the aluminum alloy is exposed to high shearing forces in a mixing and kneading machine (30), having a housing (31) with a working space (34), which is surrounded by an inner housing sleeve (32), and a worm shaft (36), which rotates about a longitudinal axis (x) and oscillates along the longitudinal axis (x) in the inner housing sleeve (32) and is interrupted circumferentially to create individual kneading blades (38), with axial passage openings (40) between the kneading blades (38), and with kneading projections (42), which project from the inner housing sleeve (32), protrude into the working space (34) and pass through the axial passage openings (40), wherein liquid aluminum alloy is fed to the working space (34) at one end of the housing (31) and, at the other end of the housing (31), is removed from the working space (34) as partially solid aluminum alloy with a predefined solids content and is processed to formed parts, wherein the solids content of the aluminum alloy in the working space (34) is set to the predefined solids content by cooling and heating the working space (34) in a targeted manner.

IPC Classes  ?

• B22D 17/00 - Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure

Abstract

For an assembly for sealing a shaft (16), which shaft is arranged in a container (12) filled with a liquid melt (10) consisting of aluminum or an aluminum alloy, passes through an opening (20) in a wall (18) of the container (12), and rotates about a shaft axis (x) and/or moves back and forth in the direction of the shaft axis (x), at least one annular sealing element (44) encompasses the shaft (16). The at least one sealing element (44) is made of carbon, a ceramic material, or a metal material and is arranged outside of the container (12), and the shaft (16) is provided with a coating (60) made of carbon, a ceramic material, or a metal material in the encompassing area of the at least one sealing element (44), wherein the wear resistance of the coating (60) on the shaft (16) is the same as or higher than the wear resistance of the at least one sealing element (44).

IPC Classes  ?

• F16J 15/26 - Sealings between relatively-moving surfaces with stuffing-boxes for rigid sealing rings

Abstract

The invention relates to an aluminum alloy having good electrical conductivity and good thermal conductivity for producing die-cast components, containing: 8.0 to 9.0 wt % silicon, 0.5 to 0.7 wt % iron, max. 0.010 wt % copper, max. 0.010 wt % magnesium, max. 0.010 wt % manganese, max. 0.001 wt % chromium, max. 0.020 wt % titanium, max. 0.020 wt % vanadium, max. 0.05 wt % zinc, 0.010 to 0.030 wt % strontium, and aluminum as the rest, with further elements and manufacturing-caused impurities individually max. 0.05 wt %, in total max. 0.2 wt %. The alloy is suited in particular for producing components having good electrical conductivity and good thermal conductivity in the die casting process.

IPC Classes  ?

• C22C 21/04 - Modified aluminium-silicon alloys

Abstract

Aluminum die casting alloy comprising 2 to 6 % by weight nickel, 0.1 to 0.4 % by weight zirconium, 0.1 to 0.4 % by weight vanadium, optionally up to 5 % by weight manganese, optionally up to 2 % by weight iron, optionally up to 1 % by weight titanium, optionally total max. 5 % by weight transition elements including scandium, lanthanum, yttrium, hafnium, niobium, tantalum, chromium and/or molybdenum, and aluminum as the remainder with further elements and impurities due to production total max. 1 % by weight.

IPC Classes  ?

• C22C 21/00 - Alloys based on aluminium
• C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon

Abstract

In a method for producing die-cast parts from an aluminum alloy, the aluminum alloy is exposed to high shear forces in a mixing and kneading machine (30) having a housing (31) having a working chamber (34) enclosed by an inner housing jacket (32) and a worm shaft (36), which rotates about a longitudinal axis (x) and moves back and forth in a translational manner along the longitudinal axis (x) in the inner housing jacket (32) and which is provided with kneading blades (38), and having kneading pins (38), which are fastened to the inner housing jacket (32) and which protrude into the working chamber (34), wherein liquid aluminum alloy is fed into the working chamber (34) at one end of the housing (31) and removed from the working chamber (34) as partially solidified aluminum alloy having a specified solid fraction at the other end of the housing (31), transferred into a filling chamber (12) of a die-casting machine (10), and pushed into a mold by means of a piston (20), wherein the solid fraction of the aluminum alloy is set to the specified solid fraction in the working chamber (34) by specific cooling and heating of the working chamber (34).

IPC Classes  ?

• B22D 17/00 - Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
• B22D 17/10 - Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled with horizontal press motion
• B22D 25/00 - Special casting characterised by the nature of the product
• C22C 1/02 - Making non-ferrous alloys by melting

Abstract

The invention relates to an aluminum alloy having good electrical conductivity and good thermal conductivity for producing die-cast components, containing: 8.0 to 9.0 wt % silicon, 0.5 to 0.7 wt % iron, max. 0.010 wt % copper, max. 0.010 wt % magnesium, max. 0.010 wt % manganese, max. 0.001 wt % chromium, max. 0.020 wt % titanium, max. 0.020 wt % vanadium, max. 0.05 wt % zinc, 0.010 to 0.030 wt % strontium, and aluminum as the rest, with further elements and manufacturing-caused impurities individually max. 0.05 wt %, in total max. 0.2 wt %. The alloy is suited in particular for producing components having good electrical conductivity and good thermal conductivity in the die casting process.

IPC Classes  ?

• C22C 21/02 - Alloys based on aluminium with silicon as the next major constituent
• B22D 17/00 - Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
• B22D 21/04 - Casting aluminium or magnesium
• C22C 21/04 - Modified aluminium-silicon alloys
• C22F 1/043 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent

Abstract

The invention relates to an aluminum alloy having good electrical conductivity and good thermal conductivity for producing die-cast components, containing: 8.0 to 9.0 wt % silicon, 0.5 to 0.7 wt % iron, max. 0.010 wt % copper, max. 0.010 wt % magnesium, max. 0.010 wt % manganese, max. 0.001 wt % chromium, max. 0.020 wt % titanium, max. 0.020 wt % vanadium, max. 0.05 wt % zinc, 0.010 to 0.030 wt % strontium, and aluminum as the rest, with further elements and manufacturing-caused impurities individually max. 0.05 wt %, in total max. 0.2 wt %. The alloy is suited in particular for producing components having good electrical conductivity and good thermal conductivity in the die casting process.

IPC Classes  ?

• C22C 21/02 - Alloys based on aluminium with silicon as the next major constituent
• C22C 21/04 - Modified aluminium-silicon alloys
• C22F 1/043 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
• B22D 17/00 - Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
• B22D 21/04 - Casting aluminium or magnesium

Goods & Services

Common metals and their alloys, in particular aluminum and aluminum alloys; foundry alloys of common metal, in particular of aluminum, in the form of ingots, trays and billets.