GB/T 12160-2019/ISO 9513:2012 代替 GB/T 12160—2002
金属材料单轴试验用引伸计系统的标定
Metallic materials~Caliln*ati(m of extensometers systems used in uniaxial testing (ISO 9513：2012,IDT)
2019-10-18 发布
2020-05-01 实施
目 次
前言..........................................1
引言..........................................1
1范围...........................................1
2术语和定义........................................1
3符号和说明........................................1
4原理...........................................1
5标定设备.........................................2
5.1标定器.......................................2
5.2标定溯源......................................2
6预标定检査........................................2
6.1 目的.......................................2
6.2检査记录......................................2
6.3引伸计系统单元的标识................................2
7引伸计标距的测量.....................................3
7.1固定标距引伸计...................................3
7.2可变标距引伸计...................................3
7.3葬接鮫式引伸计...................................3
7.4使用暈規确定引伸计标距...............................3
8标定过程.........................................3
8.1环境因素......................................3
8.2引伸计的安装....................................4
8.3标定増fit .................................. 4
8.4 标定过程.....................................5
8.5引伸计系统特性的确定................................5
9引伸计系统的分级 ....................................6
9.1输入数据......................................6
9.2数据分析......................................6
9.3分级准则......................................6
9.4结果评定......................................7
10不确定度的评定.....................................7
10.1不确定度的来源..................................7
10.2不确定度的预估..................................7
II引伸计系统标定间隔...................................7
12标定证书........................................8
12.1必备信息.....................................8
12.2数据报吿....................................8
附录A （资群性附录）测量不确定度 ............................9
附录B （资料性附录）标定器的标定............................14
附录C （资料性附录）标定器标定报吿的示例........................16
附录D （资料性附录）引伸计系统类型的示例........................19
附录E （资料性附录〉激光引伸计.............................28
附录F （资科性附录）视频引伸计.............................35
附录G （资料性附录）全场应变测fi:视频引伸计.....................39
附录H （资料性附录）横梁测量系统的标定.........................41
参考文献.........................................42