ASTM E310-15
锡青铜铸件的标准参考射线照片
Standard Reference Radiographs for Tin Bronze Castings
- 标准号
- ASTM E310-15
- 发布
- 2015年
- 发布单位
- 美国材料与试验协会
- 替代标准
- ASTM E310-15(2019)e1
- 当前最新
- ASTM E310-21
- 引用标准
- ASTM B271 ASTM B584 ASTM B61 ASTM B62 ASTM E1316 ASTM E242 ASTM E94
- 适用范围
4.1 Reference radiographs for tin bronze and related alloy castings are intended to be used as a guide to the recognition of common discontinuities and their differentiation both as to type and severity level. Discontinuity types most common to these alloys are illustrated. For reference, descriptions of typical casting defects and corresponding radiographic indication types are contained in Section 5. Purchasers and suppliers may, by mutual agreement, select particular discontinuity categories (see 1.2) to serve as standards representing minimum levels of acceptability (see Sections 7 and 8).
4.2 Reference radiographs represented by this standard may be used, as agreed upon in a purchaser supplier agreement, for energy levels, thicknesses or both outside the range of this standard when determined applicable for the casting service application. Section 10 addresses purchaser supplier requisites where weld repairs may be required.
4.3 Procedures for evaluation of production radiographs using applicable reference radiographs of this standard are prescribed in Section 9; however, there may be manufacturing-purchaser issues involving specific casting service applications where it may be appropriate to modify or alter such requirements. Where such modifications may be appropriate for the casting application, all such changes shall be called-out in the purchaser supplier agreement or contractual document.
4.4 The following ASTM specifications illustrate alloys covered by these standards; however, it is intended that these reference radiographs also apply to related government and commercial material specifications:
Valve bronze castings
B61A
Composition bronze or ounce metal castings
B62B
Tin bronze sand castings
B584
Leaded red brass sand castings
B584
【干货】金相学：色彩与相衬度分析－ 微观结构对比分析 如果还需要记录合成材料的不同部件，通常则需要进行额外的光学对比分析。图 22 记录了通过特殊黄铜微观结构的光学成像（同时还有玻璃纤维编织涂层）而获得的良好结果。在断开的电容器图片中，可以看到薄壁铜套管中的玻璃纤维芯已经焊接在锡青铜的导线带上（图 23）。本系列最后一张图片展示了带石墨组件和陶瓷颗粒的锡青铜所具备的耐磨烧结层（图 24）。...
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