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model verification

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200133
EISBN: 978-1-62708-354-6
.... Many systems can produce models out of materials that can be directly invested to make prototype castings, allowing the verification of foundry characteristics before the design is finalized and without incurring high tooling costs. Investment wax molds can be quickly made from simple RP models using...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060065
EISBN: 978-1-62708-355-3
... describes load condition factors, such as strain rate, machine rigidity, and various testing modes by load control, speed control, strain control, and strain-rate control. It provides a description of environmental chambers for testing and discusses the processes involved in the force verification...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040083
EISBN: 978-1-62708-300-3
... with corresponding computed data. It also includes an example in which flow stress and friction were measured in compressed aluminum rings and the results used to verify the accuracy of predicted values. FEM simulation flow stress friction inverse analysis verification 8.1 Introduction The finite...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050281
EISBN: 978-1-62708-311-9
... that the process has been designed properly. A Quality Induction Heat-Treating System The elements of a quality induction heat treating system depend on the application and the system being used. Table 14.1 shows a model of the elements of a quality induction-hardening system that includes machine design...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030137
EISBN: 978-1-62708-349-2
... in manufacturing the part. Although this can be the case, and is most often used for modeling purposes, the manufacturing process/cure cycle adds another variable that dictates the final performance. While through-thickness uniformity is usually assumed, fiber volume variations, void content, ply orientation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410021
EISBN: 978-1-62708-280-8
... applications. aluminum casting sand molds metal molds cooling rate sand castings 3.1 Range of Aluminum Casting Processes The selection of the casting process and the choice of suitable aluminum alloys are the core inputs in developing a casting concept model. Different casting processes offer...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110666
EISBN: 978-1-62708-247-1
... models used by reliability engineers: Arrhenius, Eyring, and power law models. The chapter concludes with information on failure rates and mechanisms and the two techniques for uncovering reliability issues, namely burn-in and outlier screening. Arrhenius models burn-in screening experiment...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720063
EISBN: 978-1-62708-305-8
... in illumination or surface condition. Systems that attempt to match the gray level values of each pixel to a stored model can easily suffer deterioration in performance in real world manufacturing environments. The use of such geometric features such as edges or boundaries is likely to remain the preferred...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780147
EISBN: 978-1-62708-268-6
... and verification, circuit performance, mechanical failures, materials compatibility, and environmental factors. Examples that illustrate the value of design analysis are also presented. defects design analysis failure analysis IN SOME CASES, the failure analysis team finds that all components meet...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720085
EISBN: 978-1-62708-305-8
... of these testers use a preliminary load. Simple versions of this technique provide only comparative “go/no-go” hardness indications. More sophisticated models offer a microprocessor controlled digital readout to convert the depth measurement to Brinell numbers. Conversion from depth to diameter frequently varies...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040193
EISBN: 978-1-62708-300-3
... Abstract This chapter discusses the use of finite-element modeling in forging design. It describes key modeling parameters and inputs, mesh generation and computation time, and process modeling outputs such as metal flow, strain rate, loading profiles, and microstructure. It also includes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260029
EISBN: 978-1-62708-336-2
... Abstract This chapter provides an overview of the thermodynamics of extrusion. It begins by presenting a thermodynamic model of the extrusion process expressed in the form of finite difference equations. It then explains how the model accounts for multiple sources of heat generation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110634
EISBN: 978-1-62708-247-1
... products may see additional test steps due to additional requirements related to temperature coverage, memory test redundancy verification or reliability screening. Figure 1 shows a typical test flow in which the IC undergoes a wafer level test, pre- burn-in package test, burn-in and post-burn-in final...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500073
EISBN: 978-1-62708-317-1
... forming stage for part B. FEM, finite-element method. Source: Ref 4.6 The simulation model used is shown in Fig. 4.8 . The geometry was modeled over a unit radian about the Z -axis due to the axisymmetric deformation mode. The sheet was meshed with an axisymmetric quadrilateral element...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410253
EISBN: 978-1-62708-280-8
... product failure potential of borderline products. 10.4.1 Example—Product - Suspension Front Knuckle for an SUV General The engineering specification is an addition to all of the other specifications outlined in the drawing and the CAD model. The critical and significant characteristics...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110652
EISBN: 978-1-62708-247-1
... simulation using a variety of models, namely the Human Body Model (HBM), the Charged Device Model (CDM) and the so-called Machine Model (MM), and then conducting electrical and physical failure analysis and comparing the results with documented analyses performed on customer field returns and factory...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.9781627082808
EISBN: 978-1-62708-280-8
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060173
EISBN: 978-1-62708-343-0
..., and thermomechanical fatigue) damage model, and numerous methods that make use of creep-rupture, crack-growth, and void-growth data. It also discusses the use of continuum damage mechanics and includes examples demonstrating the accuracy of each method as well as the procedures involved. crack growth creep...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220667
EISBN: 978-1-62708-259-4
... provide sufficient information to allow replication of the results” (see, for instance Ref 3 ). However, the trend of accepting reduced information on materials and methods observed in recent decades in many reputable journals is making the independent verification of published results more difficult...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720365
EISBN: 978-1-62708-305-8
... processes, such as isothermal and hot-die forging, and the increasing use of computer modeling have greatly reduced problems associated with heat-resistant alloy forgings. Nickel Alloy Forgings The discontinuities that occur in nickel alloy forgings are generally of the same type as those found...