英文原版说明
Standard Digital Reference Images for E2660 Investment Steel Castings for Aerospace Applications + Active Standard
16张数字参考图像，以前仅作为胶片参考射线照片（ASTM E192）提供，现在可从ASTM International获得。
这些图像说明了精密熔模铸件中可能发现的不连续性的类型和程度。参考图像由铁基合金铸件创建，但通常也用于涡轮发动机部件中常见的镍基和钴基合金。
这套3张DVD由16个数字文件、加载所需格式的软件和加载过程的具体说明组成。
磁盘一包括安装程序、离散不连续性的未分级板（包括：异物密度更高、冷关、热裂、冷裂纹、错流和堆芯移位）、三种厚度英寸、1/8英寸、3/8英寸和3/4英寸的异物密度较低的分级系列，以及1/8英寸和3/8英寸的气孔分级系列。
第二盘包括3/4英寸气孔和所有三种厚度树枝状收缩的分级系列。它还包括未分级的指示板，包括模扣（正和负）、模脊、裂纹芯中的过量金属以及柱状和斑点衍射图案。
第三盘包括所有三种厚度的海绵收缩分级系列以及收缩腔和纤维收缩分级系列，均以3/4英寸的材料显示。
分级系列每个都说明了八个严重程度等级。
图像可以安装为16位TIFF文件或DICONDE文件，并且可以安装为负极性或正极性图像。图像可以以10微米的增量安装，以匹配各种数字探测器的有效分辨率。
系统要求：PC Windows 7或更高版本7-19 GB硬盘可用2 GB内存（RAM+虚拟内存）可用
Sixteen digital reference images, previously only available as film reference radiographs (ASTM E192), are now available from ASTM International.
The images illustrate the types and degrees of discontinuities that may be found in precision investment castings. The reference images are created from castings in iron-based alloys, but are commonly used also for nickel and cobalt based alloys common in turbine engine components.
This 3 DVD set consists of the 16 digital files, software to load the desired format, and specific instructions on the loading process.
A copy of the current ASTM standard is included with the purchase of these reference radiographs.
Disk one includes the install program, the ungraded plate of Discrete Discontinuities (including: Foreign Material More Dense, Cold Shut, Hot Tear, Cold Crack, Misrun and Core Shift), graded series for Foreign Material Less Dense in three thicknesses inch, 1/8 inch, 3/8 inch, and 3/4 inch, and graded series of Gas Holes for 1/8 and 3/8 inch.
Disk two includes the graded series for Gas Holes at 3/4 inch and for Dendritic Shrinkage at all three thicknesses. It also includes the ungraded plate of indications including Mold Buckle (positive and negative), Mold Ridge, Excess Metal in Cracked Core, and columnar and Mottled Diffraction Patterns.
Disk three includes graded series of Sponge Shrinkage for all three thicknesses as well as graded series of Shrinkage Cavity and Filamentary Shrinkage, both illustrated in 3/4 inch material.
The graded series each illustrate eight grades of severity.
A copy of the current ASTM standard is included with the purchase of these reference radiographs.
The images may be installed as 16-bit TIFF files or as DICONDE files and may be installed for negative or positive image polarity. The images may be installed at resolutions to match the effective resolution of various digital detectors in increments of 10 microns.
System Requirements: PC Windows 7 or later 7-19 GB Hard Drive available 2 GB Memory (RAM + Virtual Memory) available
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