Search Results for 17-4 PH

Fig. 14 Fatigue crack growth rates in WOL specimens of 15-5 PH and 17-4 PH stainless steel in the H1050 and H1100 conditions in room-temperatrure air and in a 3.5% NaCl solution. Adapted from Ref 9 More

Fig. 31 17-4 PH stainless steel main landing-gear deflection yoke that failed because of intergranular SCC. (a) Macrograph of fracture surface. (b) Higher-magnification view of the boxed area in (a) showing area of intergranular attack. (W.L. Jensen, Lockheed Georgia Company) More

Fig. 23 Two views of the fracture surface of a forged 17-4 PH stainless steel steam-turbine blade that failed by corrosion fatigue originating at severe corrosion pitting. (a) Light fractograph showing primary origin (arrow) and three secondary origins (along right edge below primary origin More

Fig. 31 Power plant gate-valve stem of 17-4 PH stainless that failed by SCC in high-purity water. (a) A fracture surface of the valve stem showing stained area and cup-and-cone shearing at perimeter. 0.7×. (b) Micrograph showing secondary intergranular cracks branching from fracture surface More

Fig. 10 Mass loss vs. number of compound impact cycles for 17-4 PH stainless steel counterfaces tested with CPM-10V steel specimens (impact stress 69 MPa). Source: Ref 26 More

Fig. 2 Metal injection molding 17-4 PH stainless steel optical transceiver housing designed for ultrahigh-speed transceivers in networking and telecommunications equipment. The MIM part also receives electrolytic copper, electroless nickel, and electrolytic gold plating. Courtesy of MPIF More

Fig. 3 Metal injection molding 17-4 PH stainless steel flip slider and hinge barrel (sintered density = 7.6 g/cm 3 , or 0.274 lb/in. 3 ) that make up the dual-hinge opening mechanism in a mobile phone. The innovative design positions the clamshell phone cover to slide down and flip open More

Fig. 4 Metal injection molding net shape 17-4 PH stainless steel articulation gear used in a surgical stapling unit. Metal injection molding resulted in a 70% cost savings over machining the gear from bar stock. Courtesy of MPIF More

Fig. 5 Metal injection molding 17-4 PH stainless steel helical gear and scissor blades (sintered density = 7.5 g/cm 3 , or 0.271 lb/in. 3 ) used in pivotal laparoscopic surgical scissors. Blades are made flat and coined in pairs to provide mating blades with the correct pre-load, relief angle More

Fig. 7 Metal injection molding 17-4 PH stainless steel lower-jaw component (sintered density = 7.7 g/cm 3 , or 0.278 lb/in. 3 ) used in a surgical suturing device. The part enables accurate uniform placement of sutures into a torn rotator cuff, allowing the repair to be completed using More

Fig. 8 Metal injection molding 17-4 PH stainless steel hook, bracket, and slide (sintered density = 7.5 g/cm 3 , or 0.271 lb/in. 3 ) used in an orthodontic tooth-positioning system. Courtesy of MPIF More

Fig. 12 Metal injection molding 17-4 PH stainless steel components (sintered density = 7.6 g/cm 3 , or 0.274 lb/in. 3 ) used in a sensor kit that measures the inlet pressure of the air-fuel mixture in each cylinder of a passenger car engine. Courtesy of MPIF More

Fig. 15 High-volume MIM 17-4 PH stainless steel lock cylinder parts including locking bar, pin, and rack (sintered density = 7.7 g/cm 3 , or 0.278 lb/in. 3 ). Courtesy of MPIF More

Fig. 3 Micro-gear housing with integrated annular gear made of 17-4 PH stainless steel. (a) Tool insert. (b) Green and sintered molded parts. Courtesy of KIT, Karlsruhe, Germany More

Fig. 1 A 17-4 PH stainless steel ceramic mold casting, the wall thickness of which was reduced, from the presumed practicable minimum of 0.150 to 0.080 in., without appreciably affecting the soundness of castings produced More

Fig. 14 Y-junctions caused porosity in this 17-4 PH stainless steel investment casting. (a) Revising to T-junctions. (b) eliminated the cause of the defects. More

Fig. 61 Microstructure of 17-4 PH stainless steel. (a) Delta-ferrite (5.6%) revealed using Murakami's reagent (2 min at 100 °C, or 210 °F) on a transverse plane from a 16.5 cm (6.5 in.) square billet. (b) Martensitic matrix of a solution-annealed specimen. (c) H900 temper (430 HV). (d) H1025 More

Fig. 12 Mass loss versus number of compound-impact cycles for 17-4 PH stainless steel counterfaces tested with CPM-10V steel specimens (impact stress: 69 MPa, or 10 ksi). Source: Ref 31 More

Fig. 23 Two views of the fracture surface of a forged 17-4 PH stainless steel steam-turbine blade that failed by corrosion fatigue originating at severe corrosion pitting. (a) Light fractograph showing primary origin (arrow) and three secondary origins (along right edge below primary origin More

Fig. 40 Stress-corrosion cracking in a 17-4 PH stainless steel gate-valve stem that failed in high-purity water. (a) Photograph of the valve stem fracture surface showing stained area and cup-and-cone shearing at perimeter. (b) Micrograph showing secondary intergranular cracks branching from More