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A kind of imitation mussel type fe-cr/mn-cu multilayer composite material and preparation method thereof

A multi-layer composite material and composite plate technology are applied in the field of mussel-like Fe-Cr/Mn-Cu multi-layer composite materials and their preparation, and can solve the problems of no bionic feature, low strength, and narrow damping temperature range.

Active Publication Date: 2020-06-23
SOUTHWEST JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Aiming at the above-mentioned problems in the prior art, the present invention provides a mussel-like Fe-Cr / Mn-Cu multilayer composite material and its preparation method, which can effectively solve the damping temperature range of the damping composite material in the prior art Narrow, low strength, aging, single damping mechanism, no bionic features, etc.

Method used

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  • A kind of imitation mussel type fe-cr/mn-cu multilayer composite material and preparation method thereof

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Effect test

Embodiment 1

[0030] A preparation method for imitating mussel type Fe-Cr / Mn-Cu multilayer composite material, comprising the following steps:

[0031] (1) Preparation of Fe-Cr-based alloy

[0032] The metal raw materials were weighed according to the following mass percentages: Cr 16%, Mo 2.5%, and the balance was Fe. The raw materials were melted by vacuum induction melting, then cast, and finally placed in a muffle furnace, and diffused at 1150°C for 12 hours. Prepare Fe-Cr base alloy;

[0033] (2) Preparation of Mn-Cu-based alloy

[0034] The metal raw materials were weighed according to the following mass percentages: Mn 50%, Cu 45%, Al 2%, Fe 1%, Sn 1%, Ni 1%, and each raw material was melted by induction melting under the protection of argon, and then cast , and finally placed in a muffle furnace, and solid solution treated at 850°C for 12 hours to obtain a Mn-Cu-based alloy;

[0035] The above two component alloy sheets are brazed and stacked to obtain composite materials with di...

Embodiment 2

[0046] A preparation method for imitating mussel type Fe-Cr / Mn-Cu multilayer composite material, comprising the following steps:

[0047] (1) Preparation of Fe-Cr-based alloy

[0048] The metal raw materials were weighed according to the following mass percentages: Cr 16%, Al 2%, Si 1%, and the balance was Fe. The raw materials were melted by vacuum induction melting, then cast, and finally placed in a muffle furnace at 1100°C Diffusion at high temperature for 12 hours to obtain a Fe-Cr-based alloy;

[0049] (2) Preparation of Mn-Cu-based alloy

[0050] Metal raw materials were weighed according to the following mass percentages: Mn 50%, Cu 48%, Fe 1%, Ni 1%, each raw material was melted by induction melting method under the protection of argon, then cast, and finally placed in a muffle furnace , solution treatment at 830°C for 12h to prepare Mn-Cu based alloy;

[0051] The above two component alloy sheets are brazed and stacked to obtain composite materials with different ...

Embodiment 3

[0062] A preparation method for imitating mussel type Fe-Cr / Mn-Cu multilayer composite material, comprising the following steps:

[0063] (1) Preparation of Fe-Cr-based alloy

[0064] The metal raw materials are weighed according to the following mass percentages: Cr 15%, Mo 2%, Al 2%, Si 1%, and the balance is Fe. The raw materials are melted by vacuum induction melting method, then cast, and finally placed in a muffle furnace , Diffused at 1180°C for 12 hours to obtain Fe-Cr-based alloys;

[0065] (2) Preparation of Mn-Cu-based alloy

[0066] Metal raw materials were weighed according to the following mass percentages: Mn 50%, Cu 47%, Al 2%, Sn 1%, each raw material was melted by induction melting method under the protection of argon, then cast, and finally placed in a muffle furnace , solution treatment at 840°C for 12h to prepare Mn-Cu based alloy;

[0067] The above two component alloy sheets are brazed and stacked to obtain composite materials with different component...

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Abstract

The invention provides a mussel-like Fe-Cr / Mn-Cu multilayer composite material and a preparation method thereof, the preparation method comprising: (1) preparing Fe-Cr-based alloys; (2) preparing Mn-Cu-based alloys; (3) laminated brazing; (4) primary laminated rolling; (5) secondary laminated rolling; (6) preparation of multilayer composite sheets; Insulate at ℃ for 1-3 hours, then cool to room temperature; (8) heat the product obtained in step (7) at 300-500 ℃ for 0.5-5 hours, and obtain a mussel-like Fe-Cr / Mn-Cu multilayer composite material. The present invention adopts the lamination structure of mussels, brazes and rolls the Fe-Cr-based alloy and the Mn-Cu-based alloy together, and the damping temperature range of the bionic laminated metal composite material formed does not exceed 500°C, and the strength exceeds 250MPa .

Description

technical field [0001] The invention belongs to the technical field of composite materials, and in particular relates to a mussel-like Fe-Cr / Mn-Cu multilayer composite material and a preparation method thereof. Background technique [0002] High-damping laminated metal composite materials are widely used. In the field of automotive engineering, the use of this type of composite material can reduce and isolate the vibration of the vehicle body, making the noise environment inside the vehicle more comfortable; in the field of high-speed rail, in order to isolate the transmission of vibration and noise under the vehicle, often Add high-damping composite materials in the bottom floor of the car to reduce the impact of floor vibration and noise on the acoustic environment in the car and improve comfort; in the field of aerospace, in order to keep electronic instruments working precisely, high-damping composite materials are often used to Vibration is isolated and reduced. Among ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B15/01B32B37/10B32B38/04B32B38/16B32B37/06B32B37/08B23P15/00C21D9/00C22C22/00C22C38/02C22C38/06C22C38/22C22F1/16
CPCB23P15/00B23P2700/12B32B15/01B32B37/06B32B37/08B32B37/10B32B38/04B32B38/162B32B2038/045B32B2307/102B32B2307/54B32B2307/558C21D9/0081C22C22/00C22C38/02C22C38/06C22C38/22C22F1/16
Inventor 胥永刚张入伟张松江震
Owner SOUTHWEST JIAOTONG UNIV
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