JIS Z 2241金属材料拉伸试验方法Word文档格式.docx
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3术语和定义...............................................................................................................................1
4符号和说明..............................................................................................................................2
5原理.........................................................................................................................................8
6试样.........................................................................................................................................18
6.1形状及尺寸.........................................................................................................................18
6.2试样种类..............................................................................................................................18
6.3试样加工...............................................................................................................................19
7原始横截面积的测定..............................................................................................................21
8原始标距的标记......................................................................................................................21
9试验设备的准确度..................................................................................................................22
9.1试验机...................................................................................................................................22
9.2延伸计....................................................................................................................................22
10试验条件.................................................................................................................................22
10.1试验零点的设定...................................................................................................................22
10.2试样夹持方法.......................................................................................................................22
10.3试验速度..............................................................................................................................23
11上屈服强度的测定.................................................................................................................24
12下屈服强度的测定.................................................................................................................25
13规定塑性延伸强度的测定......................................................................................................25
14规定总延伸强度的测定...........................................................................................................25
15规定残余延伸强度的验证和测定..........................................................................................25
16屈服点延伸率的测定............................................................................................................26
17最大力塑性延伸率的测定....................................................................................................26
18最大力总延伸率的测定..........................................................................................................26
19断裂总延伸率的测定..............................................................................................................26
20断后伸长率的测定.................................................................................................................27
21断面收缩率的测定................................................................................
..................................28
22试验报告....................................................................................................................................28
23测量不确定度.............................................................................................................................29
23.1一般..........................................................................................................................................29
23.2试验条件...............................................................................................................................29
23.3试验结果................................................................................................................................29
附录A(参考附录)计算机控制拉伸试验机使用的建议...............................................................30
附录B(规范性附录)厚度0.1mm~<
3mm薄板和薄带使用的试样类型...............................31
附录C(规范性附录)直径或厚度小于4mm线材、棒材和型材使用的试样类型.....................34
附录D(规范性附录)厚度等于或大于3mm板材和扁材以及直径或厚度等于或大于4mm线材、棒材和型材使用的试样类型........................................................................................................35
附录E(规范性附录)管材使用的试样类型...............................