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model calibration

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440189
EISBN: 978-1-62708-352-2
... Abstract This chapter presents several materials and processes related to soldering technology. It first provides information on lead-free solders, followed by sections devoted to flip-chip processes, diffusion soldering, and modeling. Scanning acoustic microscopy and fine-focus x-ray...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.htpa.t53310001
EISBN: 978-1-62708-346-1
... ) 2 Indirect Calibration The uncertainty of the indirect calibration of the hardness testing machine follows from Eq 35 , with the model being indicated first: (Eq 34) H HTM = H C R M + u C R M + u CRM-D  + u m s (Eq 35) u H T M...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220667
EISBN: 978-1-62708-259-4
... performed in different laboratories has led to consolidating several concepts and guidelines mostly related to management systems and to testing methods in laboratories. ISO standard 17025 ( Ref 1 ) sets general requirements for the competence of testing and calibration laboratories, regardless...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040059
EISBN: 978-1-62708-300-3
... into the tooling. The temperatures developed during the forging operation influence lubrication conditions, tool life, as well as microstructure and properties of the forged part. With the finite element based process modeling, the heat generation during deformation and heat transfer before, during, and after...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.htpa.9781627083461
EISBN: 978-1-62708-346-1
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.htpa.t53310067
EISBN: 978-1-62708-346-1
... into 100 units. It is therefore necessary to distinguish four Shore or scleroscope hardness scales, depending on the reference material selected for the scale calibration and on the device model: Shore hardness C, HSC: Model C with round diamond tip on the impact body and tool steel AISI W5 (quenched...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040083
EISBN: 978-1-62708-300-3
... parameters in the flow stress model and the friction at the tool/workpiece interface. 8.2 Inverse Analysis in Metal Forming 8.2.1 Direct and Inverse Problems An FEA of metal forming process as illustrated in Fig. 8.1(a) is regarded as direct problem. The required input data for direct problem...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.htpa.t53310119
EISBN: 978-1-62708-346-1
.... It presents the criteria that can be used to select a suitable hardness testing method for elastomers or plastics and describes processes involved in specimen preparation and equipment calibration. Barcol hardness test elastomers hardness testing plastics Shore durometer hardness test Hardness...
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 December 2004
DOI: 10.31399/asm.tb.tt2.t51060065
EISBN: 978-1-62708-355-3
.... Current equipment manufacturers also offer workstation configurations that automate mechanical testing. Fig. 1 Screw-driven balance-beam universal testing machine (1890 model) Conventional test machines for measuring mechanical properties include tension testers, compression testers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.htpa.t53310167
EISBN: 978-1-62708-346-1
... be mentioned. The principle described here not only provides the basis for a universal method but also allows direct access to the results of contact mechanics ( Ref 6 ), which deals with the models for the deformation of solid surfaces in contact with indenters of defined geometry. In the case...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040067
EISBN: 978-1-62708-300-3
... 7.8 shows an example of an FEM model used for this purpose. The results are plotted in the form of “theoretical calibration curves,” as can be seen in Fig. 7.9 , for rings having OD:ID:thickness ratios of 6:3:2, 6:3:1, and 6:3:0.5. The internal diameters used in this figure are the diameters...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500301
EISBN: 978-1-62708-317-1
... of pressure of the fluid inside a diaphragm chamber. Thus, load cells can be classified based on their output signal (electrical, pneumatic, or hydraulic), on the type of force they detect (tensile, compressive, bending, or shear), or on their design (beam, column, ring, etc.). Calibration of load cells...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.t62860515
EISBN: 978-1-62708-348-5
... of using these instruments at a state of the art level. Their primary use has been to transfer the best estimate of the thermodynamic scale to a few precision empirical thermometers. These transfer standards are, in turn, used to calibrate the many working thermometers by the comparison method...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720049
EISBN: 978-1-62708-305-8
...; for example, the reverse engineering of broken parts or the development of part specifications from handmade models. Coordinate Systems The CMM registers the various measurements or hits it takes of an object by a system of coordinates used to calibrate the axes of travel. There are several coordinate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260233
EISBN: 978-1-62708-336-2
.... Collection of proper data and maintenance of those data are important factors for quality management in any industry. A well-planned calibration process is necessary for the measurement instruments. A systematic introduction of statistical methods is necessary to control the process. Many aluminum extrusion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440085
EISBN: 978-1-62708-262-4
..., ambient temperatures actually are measured by expansion or contraction of a column of fluid or of a metal (e.g., mercury). By means of calibration, these variables are converted to numerical temperature readings. These simple devices, however, are not suitable for the higher temperatures involved in most...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500157
EISBN: 978-1-62708-317-1
... at relatively low pressures are required. However, a second step is used to calibrate the final part geometry. This step consists of a pressure intensifier that generates 200 MPa (29 ksi) at low flow rates. The main closing cylinder works at 70 MPa (10 ksi) and has an area of 1.4 m 2 (15.1 ft 2 ). Thus...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110652
EISBN: 978-1-62708-247-1
... a calibrated model compliant with ESD DS-5.2. Most failures occurred within the ESD protective structures (similar to HBM), but the physical damage revealed after de-processing to the poly silicon gate level was more severe as reported elsewhere [1] . Here also, the physical failures could also occur...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500227
EISBN: 978-1-62708-317-1
... to the special forming task; for example, an elliptic reflector can be used to calibrate geometric details in a sheet metal forming process ( Ref 11.16 ). To do so, the spark gap initiating the shock wave is positioned within the first focal point, while the detail to be formed is located close to the second...