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factorial experiments

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Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005940
EISBN: 978-1-62708-166-5
... Abstract This article presents the three levels of investigations of distortion engineering. On Level 1, the parameters and variables influencing distortion in every manufacturing step must be identified. More than 200 parameters can affect distortion. The design of experiments approach allows...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009013
EISBN: 978-1-62708-185-6
... called factorial design of experiments. Often, the process parameters that can affect the quality of the product are known, but the relative importance is not clear. A sensitivity analysis is then needed, and factorial design of experiments aids in understanding the effects of the process parameters...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003088
EISBN: 978-1-62708-199-3
... actions are taken at all levels that are based on: Attention to past experiences with similar systems Availability of risk information for all project personnel A sound, aggressive risk and hazard analysis during all phases Development of suitable corrective action and safety programs based...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004022
EISBN: 978-1-62708-185-6
... consistently in a shop trial (e.g., a surface flaw). Ross ( Ref 3 ) describes how the analysis of variance (ANOVA) with orthogonal arrays (OAs) may be used to rank the importance of independent variables—OAs are used for design of a fractional factorial experiment (FFE). Analysis of variance finds the...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001256
EISBN: 978-1-62708-170-2
... and amount of addition agent, the current density, and the tin-lead content of the anodes (usually 85Sn-15Pb for high-speed plating). Solution temperature and degree of agitation affect composition, especially in high-speed solutions. Multivariable fractional factorial experiments have shown that...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003833
EISBN: 978-1-62708-183-2
... is only 50% of optimum, then the system optimization should start with the process that is only at 50% of optimum. The corrosion resistances in NSST results are relative within each experiment or reference. Hours of NSST results may not be comparable between experiments or references due to...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006010
EISBN: 978-1-62708-172-6
... century. During the industrial revolution, emphasis shifted from the craftsmanship model to the factory model, which emphasized production inspection, according to the American Society for Quality (ASQ) ( Ref 1 ). Quality became vital to the U.S. war effort in World War II. There had to be consistent...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005943
EISBN: 978-1-62708-166-5
... experiences of the author in both captive and commercial operations. In the experience of the author as metallurgist and manager of captive heat treating operations, costs were determined by corporate accountants based on many averages, and most of the cost components were allocated without using specific...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006654
EISBN: 978-1-62708-213-6
... also for in situ experiments where samples are continuously monitored by diffraction to capture structural changes as a function of time or other stimuli, for example, temperature, pressure, magnetic field, gas or liquid dopants, and so on. In addition, the low divergence makes the beam easy to focus...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003979
EISBN: 978-1-62708-185-6
... and requires some subjective evaluation based on past experience. One of the most important aspects of closed-die forging is proper design of preforming operations and of blocker dies to achieve adequate metal distribution. Therefore, in the finish-forging operation, defect-free metal flow and...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.9781627081948
EISBN: 978-1-62708-194-8
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003060
EISBN: 978-1-62708-200-6
... The successful performance of ceramic components has been demonstrated in gas turbine engines. The major efforts have been directed toward turbine rotor development, specifically one-piece rotor/blade components of both radial inflow and axial flow configurations. Test experience in high-speed, high...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003989
EISBN: 978-1-62708-185-6
..., it is extremely unlikely that simulation alone will ever completely replace the need for industrial experiments, if for no other reason than to confirm the efficacy and accuracy of modeled cogging sequences. Fully hydraulic systems are also available where each die is attached to a separate...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006043
EISBN: 978-1-62708-172-6
... findings are sufficient to determine the root cause of the coating failure. An accurate determination depends on the experience and knowledge of both analysts. Additional testing and a revised testing protocol may be required for a root-cause determination. Once the field investigation and the laboratory...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001223
EISBN: 978-1-62708-170-2
... cleaned by the degreasing systems, as well as soils removed, production rates, and subsequent operations. The data in this table represent the experience of numerous manufacturing plants. The principal limitations of the vapor degreasing process are related to the materials it can clean without damaging...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005186
EISBN: 978-1-62708-187-0
... alloys were used for die casting as early as 1907 but were not competitive until Price & Anderson developed the Zamak die casting alloy in 1929. In 1851, James Bogardus's factory in Chicago, which was constructed with cast iron supports, opened the way for what many art historians considered to be...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006007
EISBN: 978-1-62708-172-6
... be bent in the field. The design allows a pipeline coating to get into the ground with a minimum amount of damage. The FBE coatings have a long history of good installation characteristics, as measured by a combination of field history, experience, and laboratory testing. The FBE coatings are...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006753
EISBN: 978-1-62708-295-2
.... Manufacture refers to the process of creating a product from technical documentation and raw materials, generally performed at a factory. Installation can be considered manufacturing in-place, such as at a construction site or a new plant. Products can be designed properly using sound materials of...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003058
EISBN: 978-1-62708-200-6
... failure is useful for identifying the questions that may be raised, but it is of questionable value in the analysis itself. Witnesses, including factory personnel, are often unaware of all the details of the incident, and indeed failure analysis finds one of its greatest uses in identifying the unnoticed...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006772
EISBN: 978-1-62708-295-2
... used more often to describe the investigation and subsequent analysis of any unexpected event that causes loss or injury. Accident reconstruction is rarely a simple endeavor and requires personnel with proper training and experience in performing a comprehensive investigation and accurate...