检测项目

外观变化检查：观察试样在循环试验后表面是否出现变色、起泡、裂纹、粉化、锈蚀或涂层剥落等缺陷，评估其表观稳定性。

尺寸稳定性测量：使用精密量具测定试样在特定循环条件前后关键尺寸的变化量，计算其线性膨胀或收缩率。

重量变化分析：通过高精度天平称量试样在试验前后的质量差异，分析其吸湿性、挥发性组分损失或氧化增重等现象。

力学性能测试：对比试样经历循环试验前后的拉伸强度、弯曲强度、冲击韧性或硬度等力学参数，评估其机械性能衰减程度。

热变形温度测定：检验材料在经过温度循环后其热变形温度的偏移情况，判断热稳定性的变化趋势。

电气性能评估：测量绝缘材料或电子元件在湿热循环等条件下的绝缘电阻、介电强度或导电率变化，确保其电学可靠性。

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检测流程

1、咨询：提品资料(说明书、规格书等)

2、确认检测用途及项目要求

3、填写检测申请表(含公司信息及产品必要信息)

4、按要求寄送样品(部分可上门取样/检测)

5、收到样品，安排费用后进行样品检测

6、检测出相关数据，编写报告草件，确认信息是否无误

7、确认完毕后出具报告正式件

8、寄送报告原件