Shanghai Zhongji Machinery Manufacturing Co.,Ltd.
Shanghai Zhongji Machinery Manufacturing Co.,Ltd.
Shanghai Zhongji Machinery Manufacturing Co.,Ltd.
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Shanghai Zhongji Machinery Manufacturing Co.,Ltd.
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Processing

Properties of sandwich structures

Writer：zhongji-it Source：Zhongji Click： Label：
Introduction：The strength of the composite material is largely dependent on two factors:1.The outer&nbs
The strength of the composite material is largely dependent on two factors:
1.The outer skins: If the sandwich is supported on both sides, and then stressed by means of a force in the middle of the beam, then the bending moment will introduce shear forces in the material. The shear forces results in the bottom skin being in tension and the top skin being in compression. The core material spaces these two skins apart. The thicker the core material, the stronger the composite. This principle works in much the same way as an I-beam does.
2.The interface between the core and the skin: Because the shear stresses in the composite material changes rapidly between the core and the skin, the adhesive layer also sees some degree of shear force. If the adhesive bond between the two layers is too weak, the most probable result will be delamination.

The theory is available on the Sandwich theory page.
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