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formability testing

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400033
EISBN: 978-1-62708-316-4
... and use of forming limit curves and the extensive amount of information they provide. anisotropy flow stress formability forming limit curves plastic deformation sheet forming tensile test WHEN A MATERIAL is deformed, two types of deformation occur: elastic and plastic. The elastic phase...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500083
EISBN: 978-1-62708-317-1
... tensile test ( Fig. 5.3 ) is probably the most commonly used sheet metal formability test. The specimen is locked at each end and stretched until it fractures. The elevated-temperature tensile testing procedure is standardized in ASTM E 21 09. ASTM B 557M-94 describes the standard test methods for tensile...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500179
EISBN: 978-1-62708-317-1
... Publishing Limited , 2008 , p 93 – 120 10.1533/9781845694418.1.93 9.11 Sokolowski T. , Gerke K. , Ahmetoglu M. , and Altan T. , Evaluation of Tube Formability and Material Characteristics: Hydraulic Bulge Testing of Tubes , J. Mater. Process. Technol. , Vol 98 ( No. 1...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480243
EISBN: 978-1-62708-318-8
..., and specification number. A sample from appropriate locations in the lot of material should be tested for mechanical properties, including tensile and yield strengths, and should undergo bend and other special formability tests. Paper interleaving protects surfaces of titanium sheet in storage and in warehouse...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400073
EISBN: 978-1-62708-316-4
... composition, microstructure, and processing methods influence forming behaviors. aluminum alloys flow stress formability hydraulic bulge test low-carbon steel magnesium alloys sheet forming sheet steels stainless steel FORMING APPLICATIONS may range from simple bending to stamping and deep...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700151
EISBN: 978-1-62708-279-2
... in stretched and deep-drawn applications. The forming limit curves of various austenitic stainless, DP, and mild steels are shown in Fig. 10.3 . Results clearly show the good formability of stainless steels compared to the other steels. The limiting dome height test is used to assess the equi-biaxial...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700071
EISBN: 978-1-62708-279-2
... steels. Source: Ref 4.1 The uniaxial tensile test provides a number of parameters that characterize formability of a metal. High work-hardening exponent, n , accounts for the ability of a metal to stretch and to distribute the strains more uniformly in the presence of an applied stress. Total...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310173
EISBN: 978-1-62708-286-0
..., draw bead contour, blank size, lubrication, die radii, etc.) may be more important than material properties in determining whether the desired part can be made successfully. The material properties that are important to formability are ductility, as measured by tensile test elongation; the work...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700225
EISBN: 978-1-62708-279-2
... to stamping inconsistencies or even failure. High-strength steel and AHSS are less formable than mild steel, and parts made from them lack dimensional control because of the significant amount of springback that they produce after forming. The increased use of AHSS to achieve weight reduction...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700177
EISBN: 978-1-62708-279-2
... industry is hindered by many difficulties including limited formability, reduced weldability, increased springback, elevated press tonnage, and accelerated die wear. Even with the expected increase of AHSS in future vehicles and other applications, concerns about the consequences for using AHSS remain...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410233
EISBN: 978-1-62708-265-5
... – 320 12.42 Rashid M.S. , GM 980A—A Unique High Strength Sheet Steel with Superior Formability , SAE Paper 760206, 1976 10.4271/760206 12.43 Formable HSLA and Dual-Phase Steels , Davenport A.T. , Ed., TMS-AIME , Warrendale, PA , 1977 12.44 Structure and Properties...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500107
EISBN: 978-1-62708-317-1
... depends on the type of AHSS. In tensile test, DP steels show improvement in formability beyond 400 °C (750 °F). The optimum temperature for forming TRIP steels is approximately 60 to 80 °C (140 to 175 °F) in tensile test, while TWIP steels show better formability in tensile test at room temperature...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280091
EISBN: 978-1-62708-267-9
... discusses the forgeability of alloys, addresses problems and practical issues, and describes the forging of gas turbine disks. On the topic of forming, the chapter discusses the processes involved, the role of alloying elements, and the effect of alloy condition on formability. It addresses practical...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700095
EISBN: 978-1-62708-279-2
... Abstract Dual-phase (DP) steels have the widest usage in automotive industry because of their excellent combination of strength and ductility. This chapter provides an overview of the composition, microstructure, processing, deformation mechanism, mechanical properties, formability, and special...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230295
EISBN: 978-1-62708-298-3
... the qualitative and quantitative aspects of each process and provides examples showing how they are implemented and the results that can be achieved. The chapter also discusses the issue of beryllium’s low formability and describes some of the advancements that have been made in near-net shape processing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220445
EISBN: 978-1-62708-259-4
... different manufacturing processes, including coating, affect the grain size, microstructure, and formability of these important steels. coatings advanced high-strength steel Steels can be classified according to different criteria. The most common classifications are based on (a) chemical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120001
EISBN: 978-1-62708-269-3
... potential.) Titanium may be joined by means of fusion welding, brazing, adhesives, diffusion bonding, and fasteners. Titanium is formable and readily machinable, assuming reasonable care is taken. Titanium is available in a wide variety of types and forms. Fig. 1.1 SR71 aircraft: first use...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500157
EISBN: 978-1-62708-317-1
... the die cavity to obtain the desired shape. The forming parameters (BHF and pot pressure) can be varied to obtain the desired strain path in the sheet for optimal use of formability of the material, which is part geometry dependent. Viscous pressure forming ( Fig. 8.5 ) is similar to SHF-D in which...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870255
EISBN: 978-1-62708-314-0
... 10.31399/asm.hb.v21.a0003489 4. Bitzer T. , Honeycomb Technology—Materials, Design, Manufacturing: Applications and Testing , Chapman & Hall , 1997 5. Black S. , Improved Core Materials Lighten Helicopter Airframes , High-Perform. Compos. , May 2002 , p 56 – 60 6...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310109
EISBN: 978-1-62708-286-0
... might be between 439 and 304. The corrosion resistance of these two alloys is barely distinguishable under normal ambient conditions. They are both very formable and weldable. The vast majority of the objects made commercially from 304 could be switched to 439 with no adverse consequence. But, if nickel...