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Si-Ti-C-Al casting alloy

A casting alloy, si-ti-c-al technology, applied in the field of metallurgy, can solve problems such as the increase of Q phase content, achieve the effect of improving product quality, high market promotion value and application prospect, and good surface oxidation resistance

Inactive Publication Date: 2017-01-04
桥运精密部件(苏州)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Si-Ti-C-Al alloys add Ti and C elements instead of Mg. Related studies have found that in alloys with low Cu (1.4wt.%) and high Mg (1.3wt.%), during the solid solution process, the Q phase Will replace the undissolved Mg2Si phase, resulting in an increase in the Q phase content

Method used

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Examples

Experimental program
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Embodiment Construction

[0030] The embodiments of the present invention are described in detail below. This embodiment is implemented on the premise of the technical solution of the invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following implementations example. Experimental schemes that do not specify specific conditions in the examples are usually implemented according to conventional conditions or conditions suggested by the manufacturer.

[0031] A kind of Si-Ti-C-Al casting alloy, the parts by weight of each component are shown in Table 1

[0032] Table 1: Parts by weight of each component of Embodiment 1-11

[0033] Example Si Ti C Al 1 7.1 0.80 0.01 92.09 2 9 1.10 0.20 89.7 3 7.7 0.86 0.07 91.37 4 7.5 0.83 0.14 91.52 5 7.1 0.79 0.03 92.08 6 8.2 0.91 0.14 90.74 7 8.0 1.00 0.05 90.95 8 8.8 1.10 0.20...

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PUM

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Abstract

The invention discloses a Si-Ti-C-Al casting alloy. The Si-Ti-C-Al casting alloy is prepared from, by weight percent, 7.1%-9.0% of Si, 0.8%-1.1% of Ti, 0.01%-0.2% of C and the balance Al. The weight ratio of Si to Ti is (8-10):1. The Si-Ti-C-Al casting alloy is prepared and obtained by smelting metallic silicon, metallic titanium, graphite and metallic aluminum according to the weight percent. According to the Si-Ti-C-Al casting alloy, alloy ingredients are optimized, the characteristic of alloy phase precipitation and mechanical system energy are controlled through double aging treatment, and the prepared and obtained casting alloy has excellent stretching performance and high specific resistance, is good in surface oxidation resistance and has high market promotion value and application prospects.

Description

technical field [0001] The invention discloses a Si-Ti-C-Al casting alloy, which belongs to the technical field of metallurgy. Background technique [0002] Alloys are substances with metallic properties that are synthesized by two or more metals and metals or nonmetals by a certain method. It is generally obtained by melting into a homogeneous liquid and solidifying. According to the number of constituent elements, it can be divided into binary alloys, ternary alloys and multi-element alloys. [0003] The formation of alloys often improves the properties of elemental substances, for example, steel is stronger than its main constituent element iron. The physical properties of the alloy, such as density, reactivity, Young's modulus, electrical conductivity, and thermal conductivity, may be similar to those of the alloy's constituent elements, but the tensile and shear strengths of the alloy are often related to the properties of the constituent elements with large differen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/02C22F1/043
CPCC22C21/02C22F1/043
Inventor 俞雅勤
Owner 桥运精密部件(苏州)有限公司
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