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Shock-resistant composite shell and preparation method thereof

A composite material and impact-resistant technology, applied in the field of impact-resistant composite material shell and its preparation, can solve the problems of difficult processing and insufficient anti-drop damage ability.

Active Publication Date: 2017-08-11
GUANGDONG XINXIU NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Based on this, the present invention provides an impact-resistant composite material casing, which solves the problems of insufficient drop damage resistance and processing difficulties when ceramic and glass materials are used in electronic product casings, so as to promote the large-scale application of these two materials on electronic products. scale application

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  • Shock-resistant composite shell and preparation method thereof

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preparation example Construction

[0038] A method for preparing an impact-resistant composite shell 100, the impact-resistant composite shell 100 includes a surface layer 10 and a toughening layer 20 arranged sequentially from outside to inside; the surface layer 10 is a ceramic layer; the toughened The layer 20 is composed of fiber reinforced material and matrix material; the impact-resistant composite shell 100 is prepared according to the following steps: a. The ceramic powder is prepared into a surface ceramic layer with a thickness of 0.01-0.5 mm by molding, degreasing, sintering and other processes ; b, put the prepared surface ceramic layer into the lower mold, evenly lay a layer of fiber reinforced material on the surface ceramic layer; c, cover the upper mold, and put the molten matrix material along the gap between the upper mold and the lower mold The cracks are poured to form a toughening layer 20 with a thickness of 0.5-2 mm; finally, natural cooling is performed to obtain an impact-resistant compo...

Embodiment 1

[0045] The present invention provides a method for preparing an impact-resistant composite shell 100, wherein the impact-resistant composite shell 100 includes a surface layer 10 and a toughening layer 20 arranged in sequence from outside to inside; the surface layer 10 is a ceramic layer The toughened layer 20 is made of fiber reinforced material and matrix material; the impact-resistant composite shell 100 is prepared according to the following steps: a. The ceramic powder is prepared by molding, degreasing, sintering and other preparation processes to a thickness of 0.01- 0.5mm surface ceramic layer; b. Put the prepared surface ceramic layer into the lower mold, and evenly lay a layer of fiber reinforced material on the surface ceramic layer; c. Cover the upper mold, and put the molten matrix material along the upper mold. The gap between the mold and the lower mold is poured to form a toughening layer 20 with a thickness of 0.5-2mm; finally, it is naturally cooled to obtain...

Embodiment 2

[0047] The present invention provides a method for preparing an impact-resistant composite shell 100, wherein the impact-resistant composite shell 100 includes a surface layer 10 and a toughening layer 20 arranged in sequence from outside to inside; the surface layer 10 is a glass layer ; The toughening layer 20 is composed of a fiber reinforced material and a matrix material; the impact-resistant composite shell 100 is prepared according to the following steps: a. The glass powder is prepared into a thickness of 0.01 through melting, molding, surface strengthening and other preparation processes; ~0.5mm surface glass layer; b. Put the prepared surface glass layer into the lower mold, and evenly lay a layer of fiber reinforced material on the surface glass layer; c. Cover the upper mold, and put the molten matrix material along the The gap between the upper mold and the lower mold is poured to form a toughening layer 20 with a thickness of 0.5-2 mm; finally, it is naturally coo...

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Abstract

The invention relates to a shock-resistant composite shell which comprises a surface layer and a toughening layer. The surface layer is a ceramic layer or a glass layer; the toughening layer is formed by compounding a fiber reinforced material and a base material. A preparation method of the shock-resistant composite shell comprises the steps that a layer of glass powder or ceramic powder is laid on a lower mold, and a surface layer is formed; b, a layer of fiber reinforced material is evenly laid on the surface layer, a plurality of layers of base material powder and fiber reinforced material are alternately laid in sequence, and the toughing layer is formed; c, then the lower mold is covered with an upper mold, and the closed upper mold and lower mold are placed in a hot-press forming machine for hot-press forming. A two-layer laminated structure is adopted for the shock-resistant composite shell, the surface layer is made from pure ceramic or glass materials, the toughening layer is formed by compounding the reinforced fibers with good shock resistance and the base material, the shock-resistant composite shell is prepared through a melt infiltration or heating molding process, and the needs of shells in complex shapes can be met.

Description

technical field [0001] The invention relates to the field of manufacturing appearance parts of electronic products, in particular to an impact-resistant composite shell with ceramic or glass texture and a preparation method thereof. Background technique [0002] The shell of electronic products is not only the most direct way to protect the body, but also an important factor affecting its weight and appearance. Therefore, the materials for making electronic product casings are required to have the characteristics of high strength, good heat resistance and wear resistance, stable dimensions, and good appearance. In view of the advantages of ceramic and glass materials such as good touch, good corrosion resistance, no electromagnetic shielding effect, good scratch resistance, not easy to age, and beautiful appearance, they have increasing application potential in the appearance of mobile phones, tablet computers and other electronic products. However, ceramics and glass are b...

Claims

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Application Information

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IPC IPC(8): B32B9/00B32B9/04B32B17/06B32B18/00B32B27/06B32B27/12B32B37/24B32B15/02
Inventor 武建文峰汪应山
Owner GUANGDONG XINXIU NEW MATERIAL CO LTD
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