鞋面革崩破强度的测量不确定度评定  

Evaluation of Measurement Uncertainty in Determination of Shoe Upper Leather Collapse Breaking Strength

作　　者：金月华[1] 吕晓[1] 徐晔[1] 孙冬[1] 

机构地区：[1]国家皮革质量监督检验中心,浙江海宁314400

出　　处：《西部皮革》2016年第1期37-40,共4页West Leather

摘　　要：测量不确定度是用来表明测量结果可信赖程度,按照鞋面革崩破强度的测试方法 QB/T 2712-2005《皮革物理和机械试验粒面强度和伸展高度的测定:球形崩裂试验》和JJF 1059.1-2012《测量不确定度评定与表示》,建立了崩破强度不确定度的试验模型,分析了测试过程中不确定度的来源,对各不确定度分量进行评定及合成,并计算得出合成不确定度和扩展不确定度。结果表明,影响崩破强度的测量不确定度主要来自操作过程的重复性,这与鞋面革纤维组织的不均匀性、人员操作习惯、试验环境的温度和湿度等因素有关。The value of uncertainty in measurements decides reliability of the testing results. According to QB/T 2780-2006 and JJF 1059.1-2012, a mathematic model for evaluating the uncertainty in the determination procedure of collapse breaking strength of shoe upper leather was established. All uncertainty components caused in the testing process were analyzed. At last calculated the combined uncertainty and expanded uncertainty. The results showed that the primary affecting factor of collapse breaking strength is the repeatability of the operation process, which related to upper leather fibrous tissue unevenness, the personnel operating habits and the temperature and humidity of the test environment etc.

关 键 词：测量不确定度 鞋面革 崩破强度 试验模型 

分 类 号：TS563.2[轻工技术与工程—皮革化学与工程]