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hypothesis testing

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Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.9781627081764
EISBN: 978-1-62708-176-4
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009011
EISBN: 978-1-62708-185-6
... Abstract This article discusses the equipment design, procedures, experimental considerations, and interpretation of the torsion tests used to establish workability. It describes the application of torsion testing to obtain flow-stress data and to gage fracture-controlled workability and flow...
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
... general types of problems defined previously. All of these methods and models are rooted in the scientific method (summarized as) ( Ref 8 ): Define the issue Propose a hypothesis Gather data Test the hypothesis Develop conclusions A concise problem-solving model, adapted from...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
... or wedge-shaped cracks at grain triple points • Reaction scales or internal precipitation • Some cold flow in last stages of failure Contributing factors • Load exceeded the strength of the part • Check for proper alloy and processing by hardness check or destructive testing, chemical analysis...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003848
EISBN: 978-1-62708-183-2
... aggressiveness of the chemical environment, temperature, and minor constituents in the environment and in the material itself that affect the chemical resistance of the elastomer. It provides a discussion on performance evaluation methods, namely, immersion testing and application specific testing that are...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005654
EISBN: 978-1-62708-198-6
... loading modes, cracking mode superposition, and surface area effects. The article describes the fundamentals of CF and SCC, testing methodology, and test findings from laboratory, in vivo, and retrieval studies. cardiovascular surgery corrosion fatigue corrosion fatigue testing dentistry...
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
... with all the information collected. Testing of the hypothesis may be done by cognitive reasoning, modeling techniques, or actual experimentation. The need for modeling or physical testing depends on the circumstances of each individual accident. The difficulty of recreating an accident is often...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005950
EISBN: 978-1-62708-166-5
... also discussed with an emphasis on the underlying philosophy for the selection and design of validation tests. The article also discusses the applications, capabilities, and limitations of heat treatment simulations via selected industrial case studies for a better understanding of the effect of...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0006540
EISBN: 978-1-62708-183-2
... Society of Mechanical Engineers ASTM American Society for Testing and Materials (now ASTM International) at.% atomic percent atm atmospheres (pressure) AW atomic weight AWS American Welding Society b Tafel coefficient (constant) B Stern-Geary...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006767
EISBN: 978-1-62708-295-2
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006755
EISBN: 978-1-62708-295-2
..., and so on fail? Do appropriate background research Construct a hypothesis regarding each root cause Test each hypothesis with an experiment (test, inspection, etc.): A systematic and coordinated collection of measurements and observations Use a control sample Record and analyze the...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001239
EISBN: 978-1-62708-170-2
... arguments support this hypothesis. Recent calculations of the distribution of forces on diamond abrasive particles during the lapping and polishing of ceramics show that the average load applied to a particle is no greater than 1 N under typical conditions ( Ref 20 ). If this load is assumed to act on a...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.9781627081979
EISBN: 978-1-62708-197-9
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001831
EISBN: 978-1-62708-181-8
... alloy that was tested under rotating bending conditions. Compare with Fig. 17(b) . Fig. 19 Fatigue striations in a 2024-T3 aluminum alloy joined by tear ridges Fig. 20 Fatigue striations on adjoining walls on the fracture surface of a commercially pure titanium specimen. (O.E.M...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006779
EISBN: 978-1-62708-295-2
... type, sequence, magnitude, and number of the fluctuating (multiaxial) stresses often in combination with complex environmental influences (temperature, corrosion, wear). These factors complicate the laboratory simulation of actual application conditions and often require full-sized component tests...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005301
EISBN: 978-1-62708-187-0
... properties is given in Table 1 for several alloys. Modification has a significant effect on ductility. This is the basis for a test that “old timers” sometimes use in the foundry. It is possible to pour a small bar casting. One end of the bar is clamped in a vise, and the free end is hit with a hammer. The...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006829
EISBN: 978-1-62708-295-2
... how the problem can be overcome in the future design of contacting components. Before discussing to a greater depth how loading conditions can influence fretting damage evolution, it is important to better describe the various test configurations usually applied to investigate this aspect. Figure...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006443
EISBN: 978-1-62708-190-0
... to unrealistic NDE performance expectations. All modern engineering is based on comprehensive applications of principles that can be implemented by qualitative measurements and predictive modeling and on comprehensive procedural applications of principles based on prior art and systems test data...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001278
EISBN: 978-1-62708-170-2
..., acrylic polymers can be modified by caprolactone to make polyols suitable for cross-linking with melamine formaldehyde resin. In these cases, the working hypothesis is that one needs a relatively high- T g acrylic backbone that can be modified with a relatively low- T g side chain to achieve a good...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005656
EISBN: 978-1-62708-198-6
... actuality, the pore sizes tested (range of 1 to 25 µm, or 39 to 984 µin.) were not of adequate size to promote bone ingrowth. Nonetheless, Smith's efforts not only brought attention to ceramics as a biomaterial but, more importantly, laid the groundwork for future studies and biomaterials. Landmark...