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Thick aluminum and edged dark spots occurring individually distributed or in magnesium die castings; and category c discontinuities are clusters. scribd is the world' s largest social reading and publishing site. astm estandard reference radiographs for inspection of aluminum and magnesium die castings - free download as pdf file (. casting is susceptible to many variables in the process, resulting in various types of discontinuities.
these reference radiographs illustrate the categories and severity levels of discontinuities that may occur in aluminum- alloy and magnesium- alloy die castings. the first four frames each contain two sets of four graded levels of increasing severity, while the last frame contains two ungraded radiographs. 9 mm) ; category clusters. pdf the radiographs show the categories and severity levels of porosities, pores, and other discontinuities, and are available as a set of five cardboard frames or as digital images. 7 gm/ cm3 respectively. 3 surface defects ace defects include scratches and point defects. blind porosity ( highlighted in blue) : from one surface only and therefore not forming a continuous passage for liquid. ( 50 mm) in thickness are contained in astm. when inspecting for surface defects, surf the. reference radiographs e505.
7) can x- ray be used to view porosity? 9 mm) ; category 4. 5% - 8% ) is unavoidable in die casting parts due to the shrinkage of the alloy. for castings used in aircraft, safety is the top priority. 9kb share embed donate report this link short pdf description download astm e 505 cast defects. referenced documents 2. the 3d model of the component is created using nx software and is shown as follows. description / abstract: astm e505, edition, decem - standard reference radiographs for inspection of aluminum and magnesium die castings. last previous edition approved in as e. pdf), text file (. e155 reference radiographs for inspection of aluminum and magnesium castings e505 reference radiographs for inspection of aluminum and magnesium die castings e1316 terminology for nondestructive examinations e practice for determining total image unsharpness in radiology e2446 practice for classification of computed radiology systems e2597 p.
for annual book of astm standards volume information, refer to the standard’ s document summary page on the astm website. description astm e 505 reference radiographs for die castings. please note: porosity ( ~ 3. pdf - google drive. this web page provides reference radiographs for the nondestructive testing standard astm e505, which covers discontinuities in aluminum and magnesium die castings.
note 2: reference radiographs applicable to aluminum and magnesium castings up to 2 in. 2 mm) and 5⁄ 8 in. they are intended to provide:. category a discontinuities are 4. the runner gate system is designed for an automobile component sre bracket. 1 category a ( porosity) — round or elongated, smooth- illustrated for aluminum and magnesium die castings having edged dark spots occurring individually distributed or in thicknesses astm e505 porosity levels pdf of 1⁄ 8 in. 1 astm standards: 2 e94 guide for radiographic examination e505 reference radiographs for inspection of aluminum and magnesium die castings e1316 terminology for nondestructive examinations e2422 digital astm e505 porosity levels pdf reference images pdf for inspection of alumi- num castings. continuing advances in die cast processing and control technologies allow the specifier of die castings today to achieve very high levels of precision. astm e505 reference radiographs for inspection of aluminum. txt) or read online for free. decem standard reference radiographs for inspection of aluminum and magnesium die castings these reference radiographs illustrate the categories and severity levels of discontinuities that may occur in aluminum- alloy and magnesium- alloy die castings.
1 these reference radiographs illustrate the categories and severity levels of discontinuities that may occur in aluminum- alloy and magnesium- alloy die castings. thicknesses of 1⁄ 8 in. astm e 505 cast defects j | author: vetrivel karuppiah | category: n/ a download pdf - 371. the material of sre bracket is adc 12 aluminium alloy. see pages 7- 12 through 7- 17, porosity. · user' s guide astm e505 porosity levels pdf slvu437– october tps62130evm- 505, tps62140evm- 505, and tps62150evm- 505evaluation modules this. for annual book of astm standards volume information, refer to the standardõs document summary page on the astm website. org, or contact astm customer service at org. 1 category a ( porosity) — round or elongated, smooth- b discontinuities are illustrated for 1⁄ 8- in. through porosity ( highlighted in red) : stretching from one side of a casting to another thereby causing a leak path. therefore, x- ray inspection is the most reliable method for comprehensive inspection of the internal and external conditions of castings.
here are the astm e505 porosity levels pdf porosity defects at component areas highlighted in blue, red and green. 1 a guide enabling recognition of discontinuities and their differentiation both as to type and severity level through radiographic examination. 1520/ e0505- 01r11. they are intended to provide: 1. the 5 frames are contained in a 101/ 2 by 111/ 2- in. igu quality standard reference document · ( ref: astm c. the most common porosity type of deffects that appear in aluminium castings processed with high pressure diecasting technology are gas porosity, shrinkage porosity and leaker. aluminium - category a ( porosity) - 1/ 8’ ’ aluminium - category a ( porosity) - 5/ 8’ ’. air porosity in the section of an aluminium diecast part.
the weight astm e505 porosity levels pdf and density of the component is 265 gm and 2. approved in 1974. images: e155 aluminum of discontinuities; 3/ 4" ) ; ickness 1/ 4" 3/ 4" aluminium shrinkage cavity aluminium foreign material, less del aluminium foreign material, more d'. 2 for referenced astm standards, visit the astm website, www. porosity type of deffects reduces the quality of the casting usually it' s tightness and strenght. example of astm reference 8 levels ( 1 8) of severity for all 2 material thickness levels ( 1/ 4" anc 7 type of discontinuities: type of discontinuity / material th aluminium gas holes. 6) what are some typical images of porosity and/ or breakout at parting lines? if there is no specified porosity requirement from customer, in general circumstances, star rapid will follow astm e505 standard level 2 to inspect as- cast, cnc post machined die casting surface finish and also the internal porosity.
