Effect of Dosage Distribution on ILSS of Composite Stepwise Cured by Low-Energy Electron Beam

doi:10.7652/xjtuxb201410013

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Effect of Dosage Distribution on ILSS of Composite Stepwise Cured by Low-Energy Electron Beam

更新时间：2025-07-09

- Effect of Dosage Distribution on ILSS of Composite Stepwise Cured by Low-Energy Electron Beam
- Vol. 48, Issue 10, Pages: 84-89(2014)
- 作者机构：
  
  1. 西安交通大学机械制造系统国家重点实验室,西安,710049
  2. 装甲兵技术学院机械工程系,长春,130117
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb201410013
  CLC： TB332
- Online First：10 October 2014，
  
  Published：2014
- 稿件说明：
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Effect of Dosage Distribution on ILSS of Composite Stepwise Cured by Low-Energy Electron Beam[J]. 2014, 48(10): 84-89.
DOI：

Effect of Dosage Distribution on ILSS of Composite Stepwise Cured by Low-Energy Electron Beam[J]. 2014, 48(10): 84-89. DOI： 10.7652/xjtuxb201410013.

摘要

为了进一步降低电子束固化复合材料制造成本

研究了预浸带双面辐射分层固化复合材料的最小电子束能量值

以及双面辐射剂量分布对复合材料层间剪切强度的影响。试验验结果表明

125 keV低能电子束双面辐射可以获得较好的穿透性

并且辐射固化比较均匀

是能够实现复合材料分层制造的最小电子束能量值。相对于双面等剂量辐射固化复合材料层合板的层间剪切强度(ILSS)的61.7 MPa

双面不等剂量辐射固化复合材料层合板的ILSS达到66.3 MPa

提高幅度为7.5%。光学显微镜及SEM分析与DSC测试结果表明

辐射剂量分布导致的层间键合树脂基体活性官能团数量

是造成双面等剂量与双面不等剂量辐射复合材料层合板ILSS产生较大差异的主要原因。

Abstract

To reduce the cost of the e-beam curing composite manufacture

the minimum e-beam energy value to fabricate laminate stepwise cured on both-side irradiation is analyzed

and the effect of the dosage distribution on the interlaminar shear strength(ILSS)of carbon fiber/epoxy matrix composite is discussed. The experiments indicate that the uniform curing can be accounted for the preferred penetrating radiation while 125 keV is set as the radiation energy. Compared with the composite bearing equal irradiation on both side

the ILSS in composite bearing unequal irradiation can be enhanced by 7.5%(from 61.7 MPa to 66.3 MPa). The optical microscope

SEM and DSC observations reveal that the greater difference for ILSS results from the active functional group amount in interlayer determined by the distribution of radiation dosage.

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references

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