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Resin-based Ni-Co-Mn-In alloy composite material and preparation method thereof

A ni-co-mn-in, composite material technology, applied in the field of composite materials, can solve the problem of unobserved strain output, etc., achieve the effect of good magnetic field induced strain, reduce stress restraint, and low manufacturing cost

Inactive Publication Date: 2012-07-18
NORTHEASTERN UNIV LIAONING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] For resin-based Ni-Mn-Ga alloy composites, although the martensitic twin boundary movement can be induced by applying stress, no strain output is observed when an external magnetic field is applied

Method used

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  • Resin-based Ni-Co-Mn-In alloy composite material and preparation method thereof
  • Resin-based Ni-Co-Mn-In alloy composite material and preparation method thereof
  • Resin-based Ni-Co-Mn-In alloy composite material and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0027] Example 1: First, Ni with a martensitic transformation point of 25°C 45 co 5 mn 36.6 In 13.4 The alloy material is ball-milled to a particle size of 20-60 μm and then mixed with the resin evenly so that the volume percentage of the alloy material to the composite material is 25%, and then the mixed material is stirred in a water bath at 60°C at 50-60 rpm Stir and mix by hand at high speed for 20 minutes to make a mixture slurry, then pour the slurry into the mold, put it in a vacuum drying oven and vacuumize at 80°C for 3 hours, then turn off the vacuum, raise the temperature of the slurry to 120°C, and keep it warm Cured for 6 hours to finally obtain resin-based Ni 45 co 5 mn 36.6 In 13.4 Alloy materials. figure 1 The appearance photo of the cross-section of the resin-based Ni-Co-Mn-In alloy composite material prepared for this embodiment, as shown in the figure, the alloy particles in the composite material of this embodiment are well combined with the resin ma...

Embodiment 2

[0033] Example 2: First, Ni with a martensitic transformation point of 25°C 45 co 5 mn 36.6 In 13.4 The alloy material is ball-milled to a particle size of 20-60 μm and mixed with the resin evenly so that the alloy material accounts for 50% of the volume of the composite material, and then the mixed material is manually mixed in a 60°C water bath at a stirring speed of 60 rpm Stir and mix for 40 minutes to make a mixture slurry, then pour the slurry into a mold, put it in a vacuum drying oven and vacuumize at 80°C for 5 hours, then turn off the vacuum, raise the temperature of the slurry to 120°C, and keep it warm for 7 hours. hours, the resin-based Ni was finally obtained 45 co 5 mn 36.6 In 13.4 Alloy materials. Figure 4 Metallographic structure diagram of the resin-based Ni-Co-Mn-In alloy composite material prepared for this example.

Embodiment 3

[0034] Example 3: First, Ni with a martensitic transformation point of 25°C 45 co 5 mn 36.6 In 13.4 The alloy material was ball-milled to a particle size of 20-60 μm and then mixed with the resin evenly so that the volume percentage of the alloy material to the composite material was 33%. Stir and mix for 30 minutes to make a mixture slurry, then pour the slurry into the mold, put it in a vacuum drying oven and vacuumize at 80°C for 4 hours, then turn off the vacuum, heat the slurry to 120°C, and heat it for 7 hours. hours, the resin-based Ni was finally obtained 45 co 5 mn 36.6 In 13.4 Alloy materials.

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Abstract

The invention relates to the technical field of composite materials, in particular to a resin-based Ni-Co-Mn-In alloy composite material and a preparation method thereof. The resin-based Ni-Co-Mn-In alloy composite material consists of resin with the elastic modulus of 0.45Gpa and Ni45Co5Mn36.6In13.4 alloy with the particle size of 20-60 mum. A preparation method of the composite material comprises the following steps of: performing ball milling on a Ni-Co-Mn-In alloy material until the particle size of the Ni-Co-Mn-In alloy material is 20-60 mum, and uniformly mixing the Ni-Co-Mn-In alloy material with resin, wherein the alloy material accounts for 25-50 percent by volume of the composite material; stirring and mixing the mixture in a water bath of 60 DEG C for 20-40 minutes to obtain mixture slurry; and pouring the slurry into a mold, drying and curing to obtain a Ni45Co5Mn36.6In13.4 alloy material.

Description

technical field [0001] The invention relates to the technical field of composite materials, in particular to a resin-based Ni-Co-Mn-In alloy composite material and a preparation method thereof. Background technique [0002] In 2006, Kainuma et al. from the University of Tokyo in Japan discovered a new type of magnetically controlled shape memory alloy with large magnetically induced strain and large output stress in Ni-Co-Mn-In quaternary alloy. According to the report of the research group, for pre-deformed 3% Ni 45 co 5 mn 36.7 In 13.3 After applying a magnetic field of 8 T, the single crystal can produce a magnetically induced recovery strain of about 2.9%, and the strain is caused by the phase transformation from the martensitic phase to the parent phase induced by the magnetic field. According to calculations, when a 7 T magnetic field is applied, the output stress of the accompanying phase change alloy is greater than 100 MPa, far exceeding the previously developed...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L101/12C08K3/08
Inventor 王沿东刘冬梅王刚左良
Owner NORTHEASTERN UNIV LIAONING
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