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tertiary wear

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Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630237
EISBN: 978-1-62708-270-9
... for a molybdenum-vanadium low-alloy steel under tension at four stress levels at 600 °C (1112 °F). Source: Ref 2 Stage 3, or tertiary creep, is the gradual increase in strain prior to fracture. It may result from metallurgical changes within the metal that permit rapid increases in deformation...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390100
EISBN: 978-1-62708-459-8
... surfaces and preventing metal-to-metal contact. Control of Metal Pickup on Tool Surface . Even if continuity of the parting lubricant film is locally lost, pickup on the die surface ( Sec. 3.2 ) should be non-existent or maintained at a low level. Reduced Wear . Moderate wear of the workpiece...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390456
EISBN: 978-1-62708-459-8
... Abstract In contrast to most plastic deformation processes, the shape of a machined component is not uniquely defined by the tooling. Instead, it is affected by complex interactions between tool geometry, material properties, and frictional stresses and is further complicated by tool wear...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390007
EISBN: 978-1-62708-459-8
... that the electro-plastic effect is due to resistive heating alone [ 48 , 49 ]. It has also been suggested that the presence of electrical current during forming causes material softening and reduces tool wear [ 47 ]. However, the presence of high current complicates effective lubrication. 2.1.4 Flow Rules...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200083
EISBN: 978-1-62708-354-6
...-dependent fracture of the material under sustained loading at high temperatures is perhaps a more serious problem. The stress rupture life decreases as the applied stress and operating temperature increase. Material loss from wear or corrosion are other possible modes of failure. Functional performance...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030200
EISBN: 978-1-62708-282-2
... with the hydrocarbons, would not have been used due to economics. Perhaps entire reservoirs would have been abandoned because of the high cost of corrosion. Inhibitors also allowed the injection and production of high volumes of corrosive water resulting from the secondary-recovery concept of waterflooding. Tertiary...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390064
EISBN: 978-1-62708-459-8
.... 5.5.3 . Clearly, the presence of a boundary lubricant is far preferable to direct metal-on-metal contact, and wear coefficients are far smaller with boundary lubricants than for dry situations. Typical friction coefficients are around 0.2 to 0.4 in boundary lubrication. Mixed lubrication...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320217
EISBN: 978-1-62708-332-4
... … … … Nickel Austenite stabilizer at room temperature Improves Improves … Improves Improves in higher % … Improves … Molybdenum Ferrite stabilizer Improves … … Improves corrosion- and wear- resistance Improves Improves … Copper Austenite stabilizer … … … … Improves >0.2...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130177
EISBN: 978-1-62708-284-6
..., brittleness, and strength in the surface and greater toughness and ductility in the softer core in order to provide optimal (Ref 2) : Wear resistance Resistance to scoring Bending and/or torsional fatigue strength Rolling-contact fatigue strength These properties are optimized...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550001
EISBN: 978-1-62708-307-2
... may eventually occur, even at relatively low stresses. Because of its low melting temperature, aluminum does not perform well at elevated temperatures. Finally, aluminum has low hardness, leading to poor wear resistance. Aluminum responds readily to strengthening mechanisms; alloys may be 30 times...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980417
EISBN: 978-1-62708-342-3
... and on the working surfaces of the shape-producing tools can have a significant effect on the total extrusion load, depending on the material being extruded. In direct extrusion without lubrication, the friction and shear forces can be up to 60% of the total extrusion load. Wear and adhesion at the tool working...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400245
EISBN: 978-1-62708-258-7
..., or comatic and can result from design, execution, or both. See also astigmatism, chromatic aberration, coma, and spherical aberration. abrasion. The process of grinding or wearing away through the use of abrasives; a roughening or scratching of a surface due to abrasive wear. abrasion rate. The rate at which...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400023
EISBN: 978-1-62708-258-7
..., because of the hardness, wear resistance (rail), and high strength (piano wire) imparted. Steels with a carbon content under 0.77%, processed to approach equilibrium conditions (slow cooling, etc.), would have ferrite and pearlite microstructures. In the 0.4% C steel (an AISI/SAE 1040 steel) described...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.9781627082587
EISBN: 978-1-62708-258-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060085
EISBN: 978-1-62708-261-7
... and higher growth velocities, the cells grow into rapidly advancing projections, sometimes of complex geometry. Dendrites are small crystalline needles shaped like pine trees ( Fig. 5.6 ), so named after the Greek word dendros for tree. Dendrites have a primary arm with secondary and tertiary arms...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320063
EISBN: 978-1-62708-332-4
... as the primary, secondary, and tertiary. Three locators on the primary, two on the secondary, and one on the tertiary define the confines of the casting in three-dimensional space. This system is called the 3-2-1 system. Figure 6.1(a) ( Ref 1 ) illustrates the datum planes and locators. Figure 6.1(b...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060049
EISBN: 978-1-62708-261-7
... with preexisting flaws or stress raisers in the geometry of a part High-temperature creep deformation and stress rupture, where high temperatures cause metals to permanently deform as a function of time Damping properties Wear-resistance properties (due to wear mechanisms such as galling, abrasion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.9781627082600
EISBN: 978-1-62708-260-0
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740047
EISBN: 978-1-62708-308-9
... grow, leading to the formation of dendrites ( Fig. 6 ). Dendrites have a primary arm, secondary arms that branch from it, and tertiary arms that branch from the secondary arms. The spacing of the secondary arms is proportional to the rate at which heat is removed from the casting during solidification...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030380
EISBN: 978-1-62708-282-2
..., Annual Book of ASTM Standards , Vol 03.02 , ASTM International • “ Standard Terminology Relating to Electroplating ,” B 374, Annual Book of ASTM Standards , Vol 02.05 , ASTM International • “ Terminology Relating to Erosion and Wear ,” G 40, Annual Book of ASTM Standards , Vol 03.02...