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A bending-resistant aluminum alloy ball bat

An aluminum alloy and bending-resistant technology, which is applied in the field of aluminum alloys, can solve problems such as low bending resistance of aluminum alloys, poor hitting effect, and easy bending, so as to increase impact resistance and toughness, increase bending resistance, The effect of increasing the mechanical properties

Active Publication Date: 2018-09-14
TIANCHANG ZHENGMU ALUMINUM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Baseball bats are usually made of aluminum alloy. The bending resistance of aluminum alloy is not high, and it is easy to bend when it is impacted. A good baseball bat must not only have good strength and hardness, but also have good impact toughness. It is not easy to bend, so as to avoid poor batting effect and damage to the human body during hitting, so it is necessary to provide a baseball bat that is resistant to bending

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A bending-resistant aluminum alloy ball bar, the weight percentage of each component is as follows: Si: 0.1%, Fe: 0.1%, Cu: 0.4%, Mn: 0.2%, Mg: 1.1%, Cr: 0.2%, Zn: 1.69%, Ti: 0.07%, La: 0.15%, Zr: 0.05%, and the balance is Al;

[0015] Among them, during the preparation process of the bending-resistant aluminum alloy ball rod, the aluminum ingot and the remaining raw materials are melted, refined, poured into shape, and air-cooled to room temperature to obtain an ingot; the ingot is taken, heated to 460°C, kept for 22 hours, and air-cooled to room temperature , then raise the temperature to 510°C at a rate of 1°C / min, hold for 3 hours, quench once with water, cool to room temperature, then raise the temperature to 510°C at a rate of 1°C / min, hold for 3 hours, quench with water twice, cool to room temperature, Raise the temperature to 180°C, keep the temperature for 2 hours, raise the temperature to 120°C, keep the temperature for 4 hours, and air cool to room temperatur...

Embodiment 2

[0017] A kind of anti-bending aluminum alloy ball bar, the weight percent of its each component is as follows: Si: 0.2%, Fe: 0.08%, Cu: 0.5%, Mn: 0.1%, Mg: 1.3%, Cr: 0.1%, Zn: 1.89%, Ti: 0.05%, La: 0.16%, Zr: 0.03%, the balance is Al;

[0018] Among them, during the preparation process of the bending-resistant aluminum alloy ball rod, the aluminum ingot and the remaining raw materials are melted, refined, poured into shape, and air-cooled to room temperature to obtain an ingot; the ingot is taken, heated to 480°C, kept for 18 hours, and air-cooled to room temperature , then raise the temperature to 490°C at a rate of 2°C / min, hold for 5 hours, quench once with water, cool to room temperature, then raise the temperature to 490°C at a rate of 2°C / min, hold for 5 hours, quench with water twice, cool to room temperature, Raise the temperature to 170°C, keep it warm for 4 hours, raise the temperature to 110°C, keep it warm for 6 hours, and air-cool to room temperature to obtain a b...

Embodiment 3

[0020] A kind of anti-bending aluminum alloy ball bar, the weight percent of its each component is as follows: Si: 0.13%, Fe: 0.095%, Cu: 0.42%, Mn: 0.17%, Mg: 1.15%, Cr: 0.18%, Zn: 1.74%, Ti: 0.065%, La: 0.152%, Zr: 0.045%, and the balance is Al;

[0021] Among them, in the preparation process of the bending-resistant aluminum alloy ball rod, the aluminum ingot and the remaining raw materials are melted, refined, poured into shape, and air-cooled to room temperature to obtain an ingot; the ingot is taken, heated to 465 ° C, kept for 21 hours, and air-cooled to room temperature , then raise the temperature to 505°C at a rate of 1°C / min, hold for 3.5 hours, quench with water once, cool to room temperature, then raise the temperature to 5.5°C at a rate of 1°C / min, hold for 3.5h, quench with water twice, and cool to At room temperature, raise the temperature to 177°C, keep it warm for 2.5 hours, raise the temperature to 118°C, keep it warm for 4.5 hours, and air cool to room temp...

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PUM

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Abstract

The invention discloses a bending-resistant aluminum alloy bat which consists of the following components in percentage by weight: 0.1-0.2% of Si, 0.08-0.1% of Fe, 0.4-0.5% of Cu, 0.1-0.2% of Mn, 1.1-1.3% of Mg, 0.1-0.2% of Cr, 1.5-2.1% of Zn, 0.05-0.07% of Ti, 0.15-0.16% of La, 0.03-0.05% of Zr and the balance Al, wherein an expression Zn=Mg+1.42Mg*La / Cu is met. The bending-resistant aluminum alloy bat is good in bending resistance and is high in impact resistance.

Description

technical field [0001] The invention relates to the technical field of aluminum alloys, in particular to a bending-resistant aluminum alloy ball bat. Background technique [0002] Baseball bats are usually made of aluminum alloy. The bending resistance of aluminum alloy is not high, and it is easy to bend when it is impacted. A good baseball bat must not only have good strength and hardness, but also have good impact toughness. It is not easy to bend, so as to avoid poor hitting effect and damage to the human body during hitting, so it is necessary to provide a baseball bat resistant to bending. Contents of the invention [0003] Based on the technical problems in the background technology, the present invention proposes a bending-resistant aluminum alloy ball bat, which has good bending resistance and high impact resistance. [0004] A bending-resistant aluminum alloy ball stick proposed by the present invention has the following weight percentages of its components: Si:...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/10C22C1/02C22F1/053
CPCC22C1/026C22C21/10C22F1/053
Inventor 周良正
Owner TIANCHANG ZHENGMU ALUMINUM TECH
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