Graphene composite rare earth modification hypo eutectic Al-Si-Mg casting alloy and preparing method thereof

A graphene composite and rare earth modification technology, applied in the field of cast aluminum alloy, can solve the problems of poor plasticity and low mechanical properties of the alloy, and achieve the effect of promoting homogenization, uniform microstructure and ensuring constant temperature

Active Publication Date: 2019-11-29
广州埃烯金属科技有限公司
View PDF11 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Si is one of the most important additive elements in aluminum alloys. The addition of Si can improve the casting performance of the alloy, improve the fluidity of the aluminum alloy metal liquid, reduce the tendency of thermal cracking, reduce shrinkage porosity and pore inclusions, and obtain castings with dense structure. , improve the forming rate of aluminum alloy, this type of alloy has good corrosion resistance, but the mechanical properties of cast Al-Si-Mg alloys of domestic brands are generally low, and the plasticity is poor, such as cast ZL101 alloy, the tensile strength is 155MPa , elongation 2%, cast ZL104 alloy, tensile strength 150MPa, elongation 2%, which limits its application in construction and automotive fields,

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Graphene composite rare earth modification hypo eutectic Al-Si-Mg casting alloy and preparing method thereof
  • Graphene composite rare earth modification hypo eutectic Al-Si-Mg casting alloy and preparing method thereof
  • Graphene composite rare earth modification hypo eutectic Al-Si-Mg casting alloy and preparing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] This embodiment intends to prepare a graphene composite rare earth metamorphic hypoeutectic Al-Si-Mg casting alloy, its chemical composition is: Si5.00wt.%, Mg 0.50wt.%, Ce 0.41wt.%, Ti 0.10wt .%, Fe 0.12wt.%, Cu0.10wt.%, Mn 0.03wt.%, Cr 0.03wt.%, Ni 0.03wt.%, Zn 0.20wt.%, Sn 0.10wt.%, Zr0.05wt.% , Be 0.05wt.%, Pb 0.05wt.%, Graphene 0.005wt.%; other unspecified impurity elements: each ≤0.02wt.%, total ≤0.10wt.%, the balance is Al.

[0060] The specific preparation method is as follows:

[0061] (1) Weigh the raw materials of each component according to the ratio of alloy elements: aluminum particles, Si particles, Mg powder, Ce powder, Ti powder, Fe powder, Cu powder, Mn powder, Cr powder, Ni powder, Zn powder, Sn powder , Zr powder, Be powder, Pb powder, graphene;

[0062] (2) Spread the weighed graphene on the aluminum foil, titrate a small amount of high-purity alcohol to fully dissolve the graphene in the alcohol, add Si particles, stir evenly, fold the aluminum f...

Embodiment 2

[0070] This embodiment intends to prepare a graphene composite rare earth metamorphic hypoeutectic Al-Si-Mg casting alloy, its chemical composition is: Si 7.00wt.%, Mg 0.50wt.%, Ce 0.61wt.%, Ti 0.10wt .%, Fe 0.12wt.%, Cu0.10wt.%, Mn 0.03wt.%, Cr 0.03wt.%, Ni 0.03wt.%, Zn 0.20wt.%, Sn 0.10wt.%, Zr0.05wt.% , Be 0.05wt.%, Pb 0.05wt.%, Graphene 0.005wt.%; other unspecified impurity elements: each ≤0.02wt.%, total ≤0.10wt.%, the balance is Al.

[0071] The specific preparation method is as follows:

[0072] (1) Weigh the raw materials of each component according to the ratio of alloy elements: aluminum particles, Si particles, Mg powder, Ce powder, Ti powder, Fe powder, Cu powder, Mn powder, Cr powder, Ni powder, Zn powder, Sn powder , Zr powder, Be powder, Pb powder, graphene;

[0073] (2) Spread the weighed graphene on the aluminum foil, titrate a small amount of high-purity alcohol to fully dissolve the graphene in the alcohol, add Si particles, stir evenly, fold the aluminum ...

Embodiment 3

[0081] This embodiment intends to prepare a graphene composite rare earth metamorphic hypoeutectic Al-Si-Mg casting alloy, its chemical composition is: Si 7.00wt.%, Mg 0.60wt.%, Ce 0.83wt.%, Ti 0.10wt .%, Fe 0.12wt.%, Cu0.10wt.%, Mn 0.03wt.%, Cr 0.03wt.%, Ni 0.03wt.%, Zn 0.20wt.%, Sn 0.10wt.%, Zr0.05wt.% , Be 0.05wt.%, Pb 0.05wt.%, Graphene 0.005wt.%; other unspecified impurity elements: each ≤0.02wt.%, total ≤0.10wt.%, the balance is Al.

[0082] The specific preparation method is as follows:

[0083] (1) Weigh the raw materials of each component according to the ratio of alloy elements: aluminum particles, Si particles, Mg powder, Ce powder, Ti powder, Fe powder, Cu powder, Mn powder, Cr powder, Ni powder, Zn powder, Sn powder , Zr powder, Be powder, Pb powder, graphene;

[0084] (2) Spread the weighed graphene on the aluminum foil, titrate a small amount of high-purity alcohol to fully dissolve the graphene in the alcohol, add Si particles, stir evenly, fold the aluminum ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
particle sizeaaaaaaaaaa
particle sizeaaaaaaaaaa
tensile strengthaaaaaaaaaa
Login to view more

Abstract

The invention relates to a graphene composite rare earth modification hypo eutectic Al-Si-Mg casting alloy and a preparing method thereof. The alloy comprises chemical components including, 4.5%-10.5%of Si, 0.25%-0.70% of Mg, 0.21%-1.21% of Ce, 0.05%-0.20% of Ti, 0.04%-0.25% of Fe, 0.03%-0.25% of Cu, 0.03%-0.25% of Mn, 0.00%-0.25% of Cr, 0.00%-0.10% of Ni, 0.00%-0.35% of Zn, 0.00%-0.15% of Sn, 0.05%-0.15% of Zr, 0.05%-0.1% of Be, 0.05%-0.1% of Pb, 0.001%-0.005% of graphene and the balance Al. Due to the fact that the modifying element Ce, the modifying element Ti and the trace of graphene arematched with other metal elements, a vacuum melting technology is adopted, and the application range of an as-cast Al-Si-Mg alloy material is enlarged.

Description

technical field [0001] The invention belongs to the technical field of casting aluminum alloys, in particular to a graphene-composite rare earth modified hypoeutectic Al-Si-Mg casting alloy and a preparation method thereof. Background technique [0002] Aluminum has low density, good plasticity, excellent electrical conductivity, dense oxide film on the surface, good corrosion resistance, and low recycling cost. It is a non-ferrous metal that can be used repeatedly. Aluminum and its alloy products have shown advantages that other metal materials cannot replace in many aspects such as modern industrial production and daily necessities. Cast aluminum alloys generally contain many types of alloy elements and high content. The alloy structure contains a variety of eutectics, which have good casting performance, forming performance and mechanical properties. It is suitable for casting parts and is widely used in aviation, aerospace, automobiles, Machinery and other industries. ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/02C22C1/10C22C1/02
CPCC22C1/1036C22C21/02
Inventor 张敏吴素芹范国强
Owner 广州埃烯金属科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap