Enhanced TiNi layered composite material and preparation method thereof

A layered composite material and matrix technology, applied in the direction of metal layered products, cleaning methods and utensils, chemical instruments and methods, etc., can solve problems such as unsatisfactory bonding state and reduced bonding performance, and achieve broad application prospects and markets. Improved interfacial bonding strength and uniform heating effects

Active Publication Date: 2019-10-01
JINCHUAN GROUP LIMITED
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are problems such as the unsatisfactory bonding state of the Ti / Ni composite material interface on the market, which leads to the reduction of bonding performance.

Method used

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  • Enhanced TiNi layered composite material and preparation method thereof
  • Enhanced TiNi layered composite material and preparation method thereof
  • Enhanced TiNi layered composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0023] Example 1: This example provides a kind of reinforced Ti / Ni layered composite material, is to obtain through the following steps:

[0024] (1) Take 2 pure titanium plates and 1 nickel plate with dimensions of 0.7mm(h)×75mm(b)×100mm(l). Surface pretreatment is carried out, and the contact surface of titanium and nickel plates is made serrated with a milling machine or a lathe (see figure 2 ), then put it in a beaker filled with acetone and ultrasonically clean it for 30 minutes, then use the chemical soaking method to remove the metal oxide on the surface, then use absolute ethanol to clean the surface, wait for the absolute ethanol to volatilize, and then use the Ti / Ni / Ti structure Stacked together in order.

[0025] (2) Put the above-mentioned stacked samples into a heat treatment furnace protected by argon gas at 500°C for 10 minutes, and then immediately carry out single-pass rolling and compounding at a reduction of 50%. After rolling, the heterogeneous The thick...

example 2

[0027] Example 2: Cut the 6th pass composite board obtained in step 2 into such Figure 4 The tensile sample shown is then kept at 650°C for 4 hours in a heat treatment furnace protected by argon gas, and the tensile test is carried out by air-cooling, and the stress-strain curve is measured as follows: Figure 6 shown.

[0028] From Figure 5 , Figure 6 From the above, the mechanical properties of the Ti / Ni layered composite material prepared by the present invention are obviously better than those of the product not using this example, which shows that the present invention can significantly enhance the interfacial bonding performance of the layered composite material and then improve its mechanical properties.

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Abstract

The invention discloses an enhanced TiNi layered composite material and a preparation method thereof, and belongs to the field of processing of special material composite technology. By aiming at theproblems of poor mechanical properties of the existing Ti/Ni layered composite material, pure titanium and pure nickel are used as raw materials; titanium plates and pure nickel plates are respectively subjected to surface pretreatment; then, the placement is performed in an alternate laminated sequence in a mode of Ti/Ni/Ti; through the subsequent rolling compounding and heat treatment processes,the Ti/Ni layered composite material with excellent mechanical property is prepared. The preparation process is simple; the cost is low; the mechanical property is excellent.

Description

technical field [0001] The invention belongs to the field of composite technology processing of heterogeneous materials, and relates to a reinforced TiNi layered composite material and a preparation method thereof. Background technique [0002] As a new type of functional material, Ti / Ni layered composite material is widely used in aerospace, chemical industry, energy, military, medical and other fields. Its use value is not only reflected in high specific strength, excellent wear resistance and corrosion resistance, It has high fatigue strength, shape memory effect (SME), superelasticity (SE), and good biocompatibility. However, there are problems such as the unsatisfactory bonding state of the interface of Ti / Ni composite materials currently on the market, which leads to the reduction of bonding performance. Contents of the invention [0003] Aiming at the above-mentioned problems, the present invention provides a method for preparing a reinforced TiNi layered composite...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B15/01B32B7/08B32B37/06B32B37/08B32B37/10B32B38/00B08B3/08B08B3/12B21B1/38B21B47/00C22F1/02C22F1/10C22F1/18
CPCB08B3/08B08B3/12B21B1/38B21B47/00B21B2001/386B32B7/08B32B15/01B32B37/06B32B37/08B32B37/10B32B38/0012B32B38/0036B32B2038/0048B32B2038/0096B32B2250/42B32B2307/50C22F1/02C22F1/10C22F1/183
Inventor 王玉山张兵张东刘世和陈兴纲李芬霞卢苏君陈国举孙渊君
Owner JINCHUAN GROUP LIMITED
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