AMS2750E中文版.docx
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AMS2750E中文版
AMS2750E高温测定法
5年一次的更新,复查并重审了该规范以提高其使用量,技术革新导致了使用的变化。
变化范围较大并且没有做标记。
1.范围...................................................................................................................................................................................................3
2.引用文件...........................................................................................................................................................................................3
ASTM出版物...............................................................................................................................................................................3
定义...............................................................................................................................................................................................3
3.技术要求...........................................................................................................................................................................................8
温度传感器..................................................................................................................................................................................8
仪表(见表3,4,和表5).........................................................................................................................................................12
热处理设备:
................................................................................................................................................................................16
系统精度测试(SATs)...............................................................................................................................................................18
炉温均匀性测试(TUS).............................................................................................................................................................23
实验室炉子.................................................................................................................................................................................33
记录.............................................................................................................................................................................................33
取舍............................................................................................................................................................................................33
4.质量保证条款..............................................................................................................................................................................33
检验职责....................................................................................................................................................................................33
5.交货准备......................................................................................................................................................................................42
6.接收...............................................................................................................................................................................................42
7.拒收.............................................................................................................................................................................................42
8.注释..............................................................................................................................................................................................43
图1负载传感器的使用和重新校检.............................................................................................................................................13
图2不同类型炉子的炉温均匀性范围.......................................................................................................................................16
图3仪表类型要求.........................................................................................................................................................................17
图4每个区域最少传感器支数....................................................................................................................................................18
图5固定的SAT传感器与在500℉(260℃)以上温度测试的传感器的允许组合....................................................................19
图6系统精度测试(SAT)计算的实例.....................................................................................................................................21
表1传感器和传感器校检...........................................................................................................................................................34
表2热电偶和补偿导线................................................................................................................................................