Fig. 1 (a) Welded assemblies may contain cracks not completely severed. (b) Selective cutting of the part may be needed to reveal the fracture surface to find the point of crack initiation. (c) The failure initiated as fatigue at the weld toe. More

Fig. 2 The plastic part development sequence includes creation of concepts, selection and validation of the concepts, and the detailed design and specification of the part. More

Fig. 39 Light micrograph showing sigma phase revealed by selective etching with 10N KOH (electrolytic). The brittle sigma phase caused extensive cracking in a 25%Cr-12%Ni cast heat treatment basket hook. More

Fig. 6 ASTM E208 drop-weight test results for selected plates. Plates A and D are both A517 grade F steel, but produced by different melting practices. Plate CK is from the fractured flange. More

Fig. 4 Location of thermocouples on the selected glass panel. + Outer thermocouple, −Inner thermocouple, Not shown: One thermocouple in air space, One thermocouple on concrete, One ambient thermocouple More

Fig. 8 Long-life fatigue strength as a function of Rockwell hardness for selected low-alloy steels More

Fig. 10 Intergranular cracking by selective attack on the external surface of the plate near the fracture origin More

Fig. 38 Optical micrograph at leak location showing selective seam weld corrosion at the bond line of an electric resistance weld. OD outer diameter; ID, inner diameter More

Fig. 62 Depth profile of selected secondary ions using dual-beam depth profiling of a multistack organic light-emitting diode film. Analysis beam: Bi 3 + . Sputtering beam: 5 keV Ar 1700 + . NBphen: 2,9-bis(naphthalen-2-yl)-4,7-diphenyl-1,10-phenanthroline; Alq3: tris-(8-hydroxyquinoline More

Fig. 3 The material selection funneling process More

Fig. 51 Schematic drawing of the selective laser sintering additive manufacturing process More

Fig. 1 Structures of selected commodity and engineering plastics. Polymer chains are made up of the repeat units shown, joined end to end. Source: Ref 2 – 7 More

Fig. 4 Selectively attacked region near the surface contained dealloying ( a ) 12.5× and ( b ) 50×, etchant: 45 mL nitric acid and 45 mL acetic acid. Figure 5 is a higher magnification image of the boxed area in image b More

Fig. 5 Selectively attacked region near the surface contained dealloying ( a ) 100× and ( b ) 500×, etchant: 45 mL nitric acid and 45 mL acetic acid. Figure 6 is a electron micrograph of the boxed area in image b More

Fig. 6 SEM image revealed selective grain attack and dealloying, etchant: 45 mL nitric acid and 45 mL acetic acid. The aluminum concentration was significantly lower than in the bulk material in the area of grain attack More

Fig. 3 Defects in selective-laser-melted (SLM) materials. (a) Porosity formed in SLM Ti-6Al-4V. (b) Balling. (c) Hot tears. Source: Ref 26 More

Fig. 20 Fracture surfaces of tensile tests from as-built selective-laser-melted Ti-6Al-4V specimens. (a) Cup-and-cone. (b) Dimples. (c) and (d) Quasi-cleavage facets. Source: Ref 26 , 42 More

Fig. 3 Selected analysis locations More

Fig. 48 Light micrograph showing sigma phase revealed by selective etching with 10 N KOH (electrolytic). The brittle sigma phase caused extensive cracking in a 25%Cr-12%Ni cast heat treatment basket hook. More

Fig. 3 Microsection through a fold in the flash zone of a connecting rod selected by the magnetic crack test. 50 × More