Standard Digital Reference Images for Titanium Castings
NORMA vydaná dňa 1.6.2016
Označenie normy: ASTM E2669-16e1
Dátum vydania normy: 1.6.2016
Kód tovaru: NS-666152
Počet strán: 6
Približná hmotnosť: 18 g (0.04 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
aerospace, digital reference image, discontinuities, investment castings, titanium, X-ray,, ICS Number Code 35.140 (Computer graphics), 49.035 (Components for aerospace construction)
Volume I - Standard Digital Reference Images for E2669 Titanium Castings + Active StandardVybraný formát:
Volume II - Adjunct to E2669 Standard Digital Reference Images for Titanium Castings + Active StandardVybraný formát:
Adjunct to E2669 Standard Digital Reference Images for Titanium Castings + Active Standard (Combo product)Vybraný formát:
|Significance and Use|
4.1 These digital reference images are intended for reference only, but are designed such that acceptance standards, which may be developed for particular requirements, can be specified in terms of these digital reference images. The illustrations are digital images of castings that were produced under conditions designed to develop the discontinuities.
4.1.1 Applicability of Thickness Designations:
22.214.171.124 The discontinuity types, illustrated thickness and applicable thickness range are summarized in for the Volume I images and in for the Volume II images.
4.2 Image Deterioration—Many conditions can affect the appearance and functionality of digital reference images. For example, electrical interference, hardware incompatibilities, and corrupted files and drivers may affect their appearance. The Practice line pair gauges located in each digital reference image can be used as an aid to detect image deterioration by comparing the measured resolution using the gauges to the resolution stated on the digital reference image. Do not use the digital reference images if their appearance has been adversely affected such that the interpretation and use of the images could be influenced.
4.3 Agreement should be reached between cognizant engineering organization and the supplier that the system used by the supplier is capable of detecting and classifying the required discontinuities.
1.1 The digital reference images provided in the adjuncts to this standard illustrate various types and degrees of discontinuities occurring in titanium castings.1.1.1 A guide enabling recognition of titanium casting discontinuities and their differentiation both as to type and degree through digital radiographic examination.
1.1.2 Example digital radiographic illustrations of discontinuities and a nomenclature for reference in acceptance standards, specifications and drawings.
1.2 The digital reference images consist of twenty-five digital files each illustrating eight grades of increasing severity. The Volume I files illustrate seven common discontinuity types representing casting sections up to 1 in. (25.4 mm). The Volume II files illustrate five discontinuity types representing casting sections over 1 in. (25.4 mm) to 2 in. (50.8 mm) in thickness.
1.3 All areas of this standard may be open to agreement between the cognizant engineering organization and the supplier, or specific direction from the cognizant engineering organization. These items should be addressed in the purchase order or the contract.
Note 1: The digital reference images are available from ASTM International Headquarters. Order number RRE266901 and RRE266902. Each of the digital reference images contain an image of a step density scale and two duplex-wire gauges. Refer to Practice for wire pair details. Originally, only Volume I images were available and some sets may identify these only as RRE2669 without a volume designation. They remain valid for use as Volume I images (RRE266901)
1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.5 These digital reference images are not intended to illustrate the types or degrees of discontinuities when performing film radiography. If performing film radiography of titanium castings, refer to Reference Radiographs .
1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
1.7 Only licensed copies of the software and images shall be utilized for production inspection. A copy of the ASTM/User license agreement shall be kept on file for audit purposes.
|2. Referenced Documents|
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