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decision matrix methods

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Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002454
EISBN: 978-1-62708-194-8
...Abstract Abstract In materials selection, a decision matrix method refers to any formalized procedure by which materials are ranked prior to a selection decision. This article describes the advantages and limitations of decision matrix methods, as well as the steps involved, with examples...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002429
EISBN: 978-1-62708-194-8
... of the day are often ignored in subsequent decision making. Experience and research have shown that structured decision making leads to vigilant information processing, which achieves common understanding, consensus, and commitment. There is still some concern that structured methods will inhibit...
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 Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002425
EISBN: 978-1-62708-194-8
...Abstract Abstract A concise and quantified specification is essential to developing suitable product concepts. This article describes an integrated set of structured methods for identifying the customer population for the product and developing a representation of feature demands...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006439
EISBN: 978-1-62708-190-0
..., as the name indicates, statistical methods for image interpretation. They are based on and derived from Bayes’ decision theory and allow one to determine that a part A is observed when the features a, b, and c are observed too. The features a, b, and c could be the number of holes in a workpiece, the length...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003462
EISBN: 978-1-62708-195-5
... analysis and nondestructive part evaluation; and verification of materials and processing methods. The article discusses the determination of fiber, matrix, and void volume fractions and verification of ply lay-up and orientation. A review of composites processing parameters; fractography and surface...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005686
EISBN: 978-1-62708-198-6
... polymers. Fig. 1 Polymeric biomaterials are composed of mixtures of chemicals, some of which are bound to the polymer backbone or into the material matrix, while others are free to migrate into the surrounding environment. The identities and abundance of these chemicals determine...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003439
EISBN: 978-1-62708-195-5
... methods—how to deal with statistical decision points. Understanding the Building-Block Approach The same factors that often make composites difficult to test, combined with the lack of validated and widely applicable standard analytical methods, result in distrust of structural substantiation...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002427
EISBN: 978-1-62708-194-8
...) attributes. In product development these would represent functions or physical features. Arrange the major attributes as the sides of a matrix (two-dimensional comparison) or the sides of a cube (three-dimensional comparison). Using free-association divergent thinking, generate a list of methods...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002433
EISBN: 978-1-62708-194-8
...Abstract Abstract Life-cycle engineering is a part-, system-, or process-related tool for the investigation of environmental parameters based on technical and economic measures. This article focuses on life-cycle engineering as a method for evaluating impacts. It describes the four steps...
Book Chapter

By Greg Kress
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003392
EISBN: 978-1-62708-195-5
... involved, because variability in fiber, fiber forms, ply orientation, matrix material, and laminate configuration will affect the results. Determining if the damage growth will lead to a catastrophic failure is the study of damage tolerance. Cyclic mechanical testing and analytical methods are used...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003260
EISBN: 978-1-62708-176-4
... competence of personnel engaged in what can only be described as a very technical activity, nor do quality management systems necessarily address the specific requirements of particular products or measurements. The better method of achieving these two objectives is through laboratory accreditation bodies...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003393
EISBN: 978-1-62708-195-5
... are an engineered material, the designer often cannot simply look up composite design allowables in a handbook or generic database, but must rather make informed decisions as to the selection, computation, quality, and applicability of allowables. This article discusses: The need for design allowables...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006803
EISBN: 978-1-62708-329-4
...-informed decision processes and the authors believe they will eventually move to risk-based methods, the concepts described in this article will be critical to future engineering designs. Historical Background Component versus System The most important point in designing and implementing...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002443
EISBN: 978-1-62708-194-8
... of Algebraic Equations For static structural problems, the finite element method results in a system of equations that can be expressed in matrix form as: (Eq 12) { F }  = [ K ] { u } where {F} is a column vector of forces, {u} is a column vector of displacements, and [K...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003087
EISBN: 978-1-62708-199-3
... at the conceptual design step because later in the design process too many decisions have been made to allow radical change. At the embodiment or configuration level of design, the emphasis is on determining the shape and approximate size of a part using engineering methods of analysis. Now the designer...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003435
EISBN: 978-1-62708-195-5
... a direct measure of the fiber-matrix interfacial characteristics. The primary advantage of this method is that it offers a direct measure of stress-wave transfer within the material, which could enable both in- process material characterization and in-service condition analysis. In addition...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002450
EISBN: 978-1-62708-194-8
... engineering methods of analysis. Now the designer will have decided on a class of materials and processes, for example a range of aluminum alloys, wrought and cast. The material properties must be known to a greater level of precision. At the detail or parametric design level, the decision will have...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003454
EISBN: 978-1-62708-195-5
...Abstract Abstract It is recommended that repairs be made whenever damage consists of delamination cracks or broken fibers. This article provides an overview of the repair classification, characterization, and cycle of the composite ship structure. The methods outlined in this article, which...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003413
EISBN: 978-1-62708-195-5
... the process is carried out at atmospheric pressure, the degree of rigidity required in the tooling is minimal. The mold is generally a gel-coated glass/epoxy laminate with a heating matrix embedded in an epoxy concrete backing. Since the available pressure difference is limited to around 1 bar, resin...