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warm forming

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500083
EISBN: 978-1-62708-317-1
...Abstract Abstract This chapter describes the effect of temperature and strain rate on the mechanical properties and forming characteristics of aluminum and magnesium sheet materials. It discusses the key differences between isothermal and nonisothermal warm forming processes, the factors...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400161
EISBN: 978-1-62708-316-4
... and screw-driven servo presses and describes some of the innovations and improvements made possible with high-torque servo motors. The chapter provides examples of how servo presses are used in blanking, warm forming, and other applications and compares the operating characteristics of two 1100-ton presses...
Book Chapter

By Eren Billur
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400181
EISBN: 978-1-62708-316-4
... are suited. The chapter goes on to describe the load, energy, and time-dependent characteristics of hydraulic presses and the factors that determine accuracy. It also explains how hydraulic presses are used for deep drawing, fine blanking, and hydroforming as well as warm forming and hot stamping operations...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400073
EISBN: 978-1-62708-316-4
... hardening during forming. Temperature, strain, and strain rate play important roles in controlling the change in microstructure. Warm forming improves formability of austenitic stainless steels. When austenitic stainless steels are formed at room temperatures, the austenitic phase, being unstable...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040001
EISBN: 978-1-62708-300-3
... rate). When the work temperature is raised, ductility is increased and yield strength is decreased. The effect of temperature gives rise to distinctions among cold forming (workpiece initially at room temperature), warm forming (workpiece heated above room temperature, but below the recrystallization...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230295
EISBN: 978-1-62708-298-3
...Abstract Abstract The vast majority of beryllium products are manufactured from blocks, forms, or billets of compacted powder that are machined or worked into shape. This chapter describes the metalworking processes used, including rolling, forming, forging, extrusion, drawing, and spinning...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400221
EISBN: 978-1-62708-316-4
.... , Sheet Metal Forming of Magnesium Wrought Alloys—Formability and Process Technology , Journal of Materials Processing Technology , Vol 115 , 2001 , p 14 – 19 10.1016/S0924-0136(01)00760-9 A.2 Kaya S. and Altan T. , Warm Forming of Al and Mg: Part II, Determination of Magnesium...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500107
EISBN: 978-1-62708-317-1
... in considering crash analysis, where strain rates are much higher. With the exception of boron steels used in hot stamping, the practical applications of warm or hot forming AHSS are extremely limited. The tensile strength of DP 980 remains approximately constant for temperatures up to 400 °C (750 °F), while...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400089
EISBN: 978-1-62708-316-4
... and magnesium alloys are difficult to form at room temperature. Thus, these alloys are formed at elevated temperatures. In order to evaluate lubricants that are used in warm and hot stamping, a tribological test that can emulate the production conditions needs to be selected. The ironing test described...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220403
EISBN: 978-1-62708-259-4
... 12.7 Warm Working—Working in the Intercritical Region 12.8 Cold Forming of Parts—Fasteners as Examples 12.9 Defects in Cold Forming 12.1.1 Stress-Strain Curve in the Tensile Test 12.1.2 The Effects of Deformation on Structure 12.3.1 Identifying Crystallographic Textures 12.3.2...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040067
EISBN: 978-1-62708-300-3
... processes. The chapter also describes several test methods for evaluating lubricants and explains how to interpret associated test data. cold forging friction hot forging lubrication 7.1 Introduction 7.2 Lubrication Mechanisms in Metal Forming 7.3 Friction Laws and Their Validity...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500157
EISBN: 978-1-62708-317-1
... Application to Sheet Hydroforming with Punch Results and Experimental Validation Optimization of SHF-P Process Warm sheet hydroforming is a relatively new technology that combines the advantages of elevated-temperature sheet metal forming with sheet hydroforming. Warm Sheet Hydroforming...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500051
EISBN: 978-1-62708-317-1
.... , and Altan T. , “Cold and Warm Hydroforming of AA5754-0 Sheet—FE Simulations and Experiments,” NUMISHEET 2011 ( Seoul , Korea ) 10.1063/1.3623674 3.21 Abedrabbo N. , Pourboghrat F. , and Carsley J. , Forming of AA5182-O and AA5754-O at Elevated Temperatures Using Coupled...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7
...Abstract Abstract This chapter describes the processes involved in the fabrication of wrought and cast metal products. It discusses deformation processes including bending and forming, material removal processes such as milling, cutting, and grinding, and joining methods including welding...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040211
EISBN: 978-1-62708-300-3
... 17.16 Warm Forging References References [Altan, 1970] Altan T. , “ The Use of Model Materials in Predicting Forming Loads in Metal Working, ” Transactions ASME , May 1970 , p 444 . 10.1115/1.3427776 [Altan et al., 1972] Altan T. , and Beckner J.R. , “ Prediction...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170573
EISBN: 978-1-62708-297-6
... thermal expansion coefficients two to three times greater than those of carbides. In metalforming applications at elevated temperatures, such as warm forming or extrusion, this difference must be taken into consideration when designing steel/carbide assemblies. This expansion coefficient mismatch also...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430343
EISBN: 978-1-62708-253-2
... because of maloperation of the boiler. Maloperation of the boiler normally includes activities such as rapid start-ups, improper warm-up procedures, excessive load swings, and excessive heat inputs, which in turn lead to short-term overheating, resulting in failure of a tube. It is necessary to follow...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700199
EISBN: 978-1-62708-279-2
... processes include press optimization, flexible binder, warm forming, controllable drawbeads, and welding optimization. Auto/Steel Partnership/U.S. Automotive Materials Partnership (ASP/USAMP) Interest in AHSS research and development has been growing, especially after the steel and automotive...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240527
EISBN: 978-1-62708-251-8
... to drop to less than half; however, a full anneal will restore the properties. As a result of the Bauschinger effect, all cold- and warm-formed structural parts must be annealed. Temperatures as low as the aging temperature remove most of the Bauschinger effect in solution-treated beta titanium alloys...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000039
EISBN: 978-1-62708-312-6
... interested in some of the newer and/or lesser used techniques of powder shaping, such as roll compaction, tape casting, rapid prototyping, spray forming, and controlled powder deposition, are referred to Powder Metal Technologies and Applications , Volume 7, ASM Handbook , 1998 ( Ref 1 ). Nonetheless, when...