Test mould for preparation of shear thickening glue test piece and using method thereof

A technology of thickening glue and test pieces, which is applied in the field of rheology experiment molds, which can solve the problems of no test molds, slow shear rate, easy deformation, etc., and achieve simple and convenient production and maintenance processes, uniform and stable pressure, and internal structure dense effect

Pending Publication Date: 2019-05-17
ANHUI UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The shear thickening phenomenon is a phenomenon in which the shear rate increases to a critical value and the mechanical properties such as viscosity rise sharply. The fluid state between the shear thickening rubber particles changes from lubricating contact to friction contact, and the friction contact mode between particles , the system is similar to particle flow, frictional contact force is the dominant factor, continuous shear thickening occurs, and has fixed me

Method used

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  • Test mould for preparation of shear thickening glue test piece and using method thereof
  • Test mould for preparation of shear thickening glue test piece and using method thereof
  • Test mould for preparation of shear thickening glue test piece and using method thereof

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Example Embodiment

[0026] Such as figure 1 , figure 2 , image 3 , Figure 4 As shown, an experimental mold for preparing a test piece of shear thickening glue includes a base device 11, a test piece mold device 7, and a test piece compaction device 4. The base device includes a base 1, a fixing groove 8, and a cushion foam Layer 6, support frame 2, beam 3, threaded hole 9, said beam 3 has said threaded hole 9, said beam 3 is fixed by said support frame 2, said support frame 2 is fixed on said base 1. On one side, the test piece mold device 7 includes an outer shaping cylinder 7-1, a spliceable sheet-like cylinder 7-2, the lower end of the outer shaping cylinder 7-1 is provided with a thread 13, and the splicable sheet The outer diameter of the shaped cylinder 7-2 is equal to or slightly smaller than the inner diameter of the outer shaped cylinder 7-1, the splicable sheet-shaped cylinder 7-2 is placed in the outer shaped cylinder 7-1, and the outer The lower end of the shaping cylinder 7-1 is p...

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Abstract

The invention relates to a test mould for preparation of a shear thickening glue test piece and a using method thereof. The test mould comprises a base device, a test piece mould device and a test piece compaction device, wherein the base device comprises a base, a fixed slot, a buffer foam layer, a support frame, a cross beam and a threaded hole; the test piece mould device comprises an outer design finalizing cylinder and a jointable sheet-like cylinder; and the test piece compaction device comprises a screw, a piston type pressing plate and a handle. The test mould is capable of improving the compaction and moulding quality of the shear thickening glue test piece while simplifying the manufacturing process of the shear thickening glue test piece, and is suitable for the manufacturing ofthe shear thickening glue test piece for rheological test. On the basis of characteristics of shear thickening glue, the shearing speed is relatively low in the test piece preparation process, and the fluid state between shear thickening glue particles is lubricating contact and deformation is easy to occur, the jointable sheet-like cylinder overcomes the difficulty, solves the problem that the test pieces is easy to destroy when being directly taken during traditional test piece preparation, and a broad application prospect is provided in the aspect of preparing the shear thickening glue test piece in laboratories.

Description

technical field [0001] The design of the invention relates to a rheological experiment mold, in particular to an experimental mold for preparing a shear thickening glue test piece and a use method thereof. Background technique [0002] Due to its low density, light weight, lightness and flexibility, shear thickening glue has gradually become a research hotspot in the field of protective materials and has attracted people's attention. Due to its special mechanical properties, physical and mechanical tests need to be carried out on it to make the best use of it. , in order to better play its positive side and serve mankind. [0003] The shear thickening phenomenon is a phenomenon in which the shear rate increases to a critical value and the mechanical properties such as viscosity rise sharply. The fluid state between the shear thickening rubber particles changes from lubricating contact to friction contact, and the friction contact mode between particles , the system is simil...

Claims

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Application Information

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IPC IPC(8): G01N1/36G01N1/28
Inventor 蒋光勇时本军穆朝民
Owner ANHUI UNIV OF SCI & TECH
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