C22C21/14

METHOD OF PRODUCING A HIGH-ENERGY HYDROFORMED STRUCTURE FROM A 2XXX-SERIES ALLOY

A method of producing an integrated monolithic aluminum structure, comprising: providing an aluminum alloy plate with a thickness of at least 38.1 mm, wherein the plate is a 2xxx-series alloy in a T3-temper and has a composition comprising, in wt. %: Cu 3.8-4.5, Mn 0.3-0.8, Mg 1.1-1.6, Si up to 0.15, Fe up to 0.20, Cr up to 0.10, Zn up to 0.25, Ti up to 0.15, Ag up to 0.10, balance aluminum; optionally pre-machining the plate to an intermediate machined structure; high-energy hydroforming the plate or intermediate structure against a rigid die forming surface having a desired curvature contour of the integrated monolithic aluminum structure, causing the plate or the intermediate structure to conform to the forming surface contour; machining or mechanical milling the high-energy formed structure to a near-final or final machined integrated monolithic aluminum structure; ageing the final integrated monolithic aluminum structure to a desired temper.

METHOD OF PRODUCING A HIGH-ENERGY HYDROFORMED STRUCTURE FROM A 2XXX-SERIES ALLOY

A method of producing an integrated monolithic aluminum structure, comprising: providing an aluminum alloy plate with a thickness of at least 38.1 mm, wherein the plate is a 2xxx-series alloy in a T3-temper and has a composition comprising, in wt. %: Cu 3.8-4.5, Mn 0.3-0.8, Mg 1.1-1.6, Si up to 0.15, Fe up to 0.20, Cr up to 0.10, Zn up to 0.25, Ti up to 0.15, Ag up to 0.10, balance aluminum; optionally pre-machining the plate to an intermediate machined structure; high-energy hydroforming the plate or intermediate structure against a rigid die forming surface having a desired curvature contour of the integrated monolithic aluminum structure, causing the plate or the intermediate structure to conform to the forming surface contour; machining or mechanical milling the high-energy formed structure to a near-final or final machined integrated monolithic aluminum structure; ageing the final integrated monolithic aluminum structure to a desired temper.

ALUMINUM ALLOY COMPOSITIONS AND METHODS OF MAKING AND USING THE SAME

The present disclosure concerns embodiments of aluminum alloy compositions exhibiting microstructural stability and strength at high temperatures. The disclosed aluminum alloy compositions comprise particular combinations of components that contribute the ability of the compositions to exhibit improved microstructural stability and hot tearing resistance as compared to conventional alloys. Also disclosed herein are embodiments of methods of making and using the alloys.

ALUMINUM ALLOY COMPOSITIONS AND METHODS OF MAKING AND USING THE SAME

The present disclosure concerns embodiments of aluminum alloy compositions exhibiting microstructural stability and strength at high temperatures. The disclosed aluminum alloy compositions comprise particular combinations of components that contribute the ability of the compositions to exhibit improved microstructural stability and hot tearing resistance as compared to conventional alloys. Also disclosed herein are embodiments of methods of making and using the alloys.

STATIC THERMAL CHEMICAL VAPOR DEPOSITION WITH LIQUID PRECURSOR
20170335451 · 2017-11-23 ·

Static thermal chemical vapor deposition treatment processes and static thermal chemical vapor deposition treatment systems are disclosed. The process includes providing an enclosed chamber configured to produce a material on a surface of an article within the enclosed chamber in response thermal energy being applied to a gaseous precursor, providing a liquid handling system in selective fluid communication with the enclosed chamber, flowing a liquid precursor through the liquid handling system, converting the liquid precursor to the gaseous precursor, and producing the material on the surface of the article in response to the thermal energy being applied to the gaseous precursor within the enclosed chamber. The system includes the enclosed chamber and the liquid handling system.

Solid State Grain Alignment Of Permanent Magets in Near-Final Shape

Magnet microstructure manipulation in the solid state by controlled application of a sufficient stress in a direction during high temperature annealing in a single-phase region of heat-treatable magnet alloys, e.g., alnico-type magnets is followed by magnetic annealing and draw annealing to improve coercivity and saturation magnetization properties. The solid-state process can be termed highly controlled abnormal grain growth (hereafter AGG) and will make aligned sintered anisotropic magnets that meet or exceed the magnetic properties of cast versions of the same alloy types.

Solid State Grain Alignment Of Permanent Magets in Near-Final Shape

Magnet microstructure manipulation in the solid state by controlled application of a sufficient stress in a direction during high temperature annealing in a single-phase region of heat-treatable magnet alloys, e.g., alnico-type magnets is followed by magnetic annealing and draw annealing to improve coercivity and saturation magnetization properties. The solid-state process can be termed highly controlled abnormal grain growth (hereafter AGG) and will make aligned sintered anisotropic magnets that meet or exceed the magnetic properties of cast versions of the same alloy types.

MULTI-LAYERED ALUMIUM BRAZING SHEET MATERIAL
20170246710 · 2017-08-31 ·

Multilayered brazing sheet material including an aluminium core alloy layer having a first brazing clad layer material on one face of the core layer and a second brazing clad layer material on the other face of the core material, and an inter-layer between the core layer and the first brazing clad layer material, wherein the core layer is 3xxx-series aluminium alloy having, in wt. %, up to 0.4% Si, up to 0.5% Fe, 0.4% to 0.75% Cu, 0.6% to 1.1% Mn, up to 0.04% Mg, up to 0.2% Cr, up to 0.25% Zr, up to 0.2% Ti, up to 0.15% Zn, balance aluminium and impurities, wherein the first brazing layer and the second brazing layer are 4xxx-series aluminium alloy having 7% to 14% Si and up to 2% Mg, balance aluminium and impurities, and wherein the inter-layer is aluminium alloy of the 1xxx-series alloys.

MULTI-LAYERED ALUMIUM BRAZING SHEET MATERIAL
20170246710 · 2017-08-31 ·

Multilayered brazing sheet material including an aluminium core alloy layer having a first brazing clad layer material on one face of the core layer and a second brazing clad layer material on the other face of the core material, and an inter-layer between the core layer and the first brazing clad layer material, wherein the core layer is 3xxx-series aluminium alloy having, in wt. %, up to 0.4% Si, up to 0.5% Fe, 0.4% to 0.75% Cu, 0.6% to 1.1% Mn, up to 0.04% Mg, up to 0.2% Cr, up to 0.25% Zr, up to 0.2% Ti, up to 0.15% Zn, balance aluminium and impurities, wherein the first brazing layer and the second brazing layer are 4xxx-series aluminium alloy having 7% to 14% Si and up to 2% Mg, balance aluminium and impurities, and wherein the inter-layer is aluminium alloy of the 1xxx-series alloys.

COMPOSITE MATERIAL FOR A SLIDING BEARING COMPRISING AN ALUMINUM BEARING METAL LAYER
20170248167 · 2017-08-31 · ·

A sliding-hearing composite material includes a steel supporting layer (10), an intermediate layer (12) based on an aluminum alloy that is free of lead, and a bearing metal layer (14) based on an aluminum alloy that is free of lead, wherein the aluminum alloy of the intermediate layer (12) has a composition having 3.5 to 4.5 wt % copper, 0.1 to 1.5 wt % manganese, 0.1 to 1.5 wt % magnesium, and the usual admissible impurities, the remainder being aluminum, and wherein the aluminum alloy of the bearing mental layer (14) has a composition having wt % tin, 1.0-3.0 wt % nickel, 0.5-1.0 wt % manganese, 0.5-1.0 wt % copper, 0.15-0.25 wt % chromium, 0.1-0.3 wt % vanadium, and the usual admissible impurities, he remainder being aluminum. A sliding bearing element and the use of the sliding-bearing composite material for sliding bearing element, particularly sliding bearing shells, sliding bearing bushes, or thrust washers is also disclosed.