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optical grades of beryllium

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Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006759
EISBN: 978-1-62708-295-2
... attained. For example, most in situ techniques do not clearly discern between different grades of plain carbon steel when the only difference is carbon, but could determine if a plain carbon steel was utilized in an application requiring low-alloy steel. If a CoC or similar document is not available, bulk...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006831
EISBN: 978-1-62708-329-4
... to ASTM International A27, grade 65-35; properties from an 8 × 13 × 18 cm (3 × 5 × 7 in.) keel block; basic electric steel, deoxidized with 1.1 kg (2.5 lb) of aluminum per ton of molten metal. (a) Annealed at 925 °C (1700 °F) for 12 h, furnace cooled. Microstructure: 30% fine pearlite, 70% primary...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.9781627083294
EISBN: 978-1-62708-329-4
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
.... Visual Inspection The preliminary examination should begin with unaided visual inspection. The unaided eye has exceptional depth of focus, the ability to examine large areas rapidly and to detect changes of color and texture. Some of these advantages are lost when any optical or electron-optical...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003537
EISBN: 978-1-62708-180-1
... examination of the fracture surface today (variable pressure SEM for polymeric materials). Optical light fractography is still used today for examination of glasses, but the common tool of choice for metallic materials is the SEM, in part because of the increased depth of field and higher magnification...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006774
EISBN: 978-1-62708-295-2
... (ASME SA-213 grade TP 321H). (a) Fracture is macroscale brittle because it is on a hoop plane. (b) Intergranular cracking is revealed and at magnification of 4½×. (c) Higher magnification (100×) does not show evidence of microscale plasticity. Fig. 40 Denuded zone in an age-hardened Al-Mg-Zn...