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qualitative test

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Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006635
EISBN: 978-1-62708-213-6
... preparing the reagent solution(s), for performing the spot test, and for interpreting the results, is also included. The article discusses two specialized applications of qualitative analysis, namely illicit drug identification and spacecraft drinking water quality testing. It also contains tables listing...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005340
EISBN: 978-1-62708-187-0
... Abstract Several qualitative, semiquantitative, and quantitative tests are available to estimate and control metal cleanliness, particularly inclusion concentration of aluminum alloys. This article provides a brief description of few of the metal cleanliness assessment techniques, such as...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006638
EISBN: 978-1-62708-213-6
... energy dispersive x-ray spectrometer. Scanning electron microscopy with energy dispersive spectrometry (EDS) is capable of quantitative measurements of constituents at the major (concentration C > 10 wt%), minor (1 wt% ≤ C ≤ 10 wt%), and trace (0.05 wt% < C < 1 wt%) levels. In tests on...
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
... Abstract This article provides the background of biological evaluation of medical devices. It discusses what the ISO 10993 standards require for polymeric biomaterials and presents examples of what qualitative and quantitative tests can be used to satisfy the requirements. The article describes...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006629
EISBN: 978-1-62708-213-6
... sufficient. A qualitative analysis relies on the chemical or physical properties of the sample, such as solubility, melting point, or reactivity with certain reagents. Chemical “spot tests” are designed to be a sensitive and selective reaction of the analyte with a drop of a reagent solution. These spot...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006451
EISBN: 978-1-62708-190-0
.... From a practical standpoint, TSA entails correlating a representative signal (e.g., load or displacement) from a mechanical test (either fatigue or impulse loading) to the output of a sensitive IR detector in order to extract the temperature change due to the thermoelastic effect. If the temperature...
Book Chapter

By S. Lampman
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006645
EISBN: 978-1-62708-213-6
... steel. Philips PW-1410 sequential x-ray spectrometer; molybdenum x-ray tube, 30 kV, 30 mA; P-10 flow-proportional detector; LiF(200) analyzing crystal; fine collimation; 100 kcps full scale ASTM C 1605, “Standard Test Methods for Chemical Analysis of Ceramic Whiteware Materials Using Wavelength...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005233
EISBN: 978-1-62708-187-0
... values in neighboring cells, using the idea of a Taylor-series expansion. Order of accuracy is one measure of the accuracy of an FDM. To test the accuracy of a finite-difference solution, one can refine the grid by reducing the cell size. When cell size is reduced by a factor of 2, numerical errors...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003243
EISBN: 978-1-62708-199-3
... centerline. Thus, the three-point bend test can only be used as a qualitative test to assess the susceptibility to stress-corrosion cracking. With the four-point bend test, tensile stresses can be maintained during the growth of the crack. Four-point bend specimen testing provides a uniform tensile...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009007
EISBN: 978-1-62708-185-6
..., the ultimate tensile strength can be determined with the Gleeble test. This gives a measure of the force required to deform the material. Typical hot tension test curves are shown in Fig. 18 . Table 2 Qualitative hot workability ratings for specialty steels and superalloys Hot tensile...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006063
EISBN: 978-1-62708-172-6
... established, a simple solvent-resistance test performed by rubbing the surface of a coating with a cloth wet by solvent can be performed as a qualitative assessment of cure when a quantitative analysis is not required. The qualitative assessment of cure based on solvent resistance indicates proper coating...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004017
EISBN: 978-1-62708-185-6
... article discusses the common testing techniques and process variables for workability prediction. It illustrates the simple and most widely used fracture criterion proposed by Cockcroft and Latham and provides a workability analysis using the fracture limit line. The article describes various workability...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009010
EISBN: 978-1-62708-185-6
... time needed to conduct a single test may be longer than in the Gleeble test method. Experience has indicated that the qualitative ratings given in Table 1 for hot ductility as a function of Gleeble reduction-of-area data can be used to predict hot workability, select hot-working temperature...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003057
EISBN: 978-1-62708-200-6
... Abstract This article describes testing and characterization methods of ceramics for chemical analysis, phase analysis, microstructural analysis, macroscopic property characterization, strength and proof testing, thermophysical property testing, and nondestructive evaluation techniques...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001296
EISBN: 978-1-62708-170-2
... qualitative and reproducible results for the development and quality assurance of coating systems. Often, a combination of tests is used in practice. In general, the corrosion resistance of a system can be improved by producing dense coating structures through the optimization of deposition techniques and...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003026
EISBN: 978-1-62708-200-6
... to back up the results; thus, accelerated aging tests should be treated as qualitative failure predictors. Although bulk resistance, as defined by Ohm's law ( V = IR ), is the parameter most commonly used to characterize conduction, a number of factors often contribute to nonohmic behavior. These...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006026
EISBN: 978-1-62708-172-6
... Abstract Independent verification of coating system performance can be based on laboratory testing and/or field exposure. Qualification testing is a critical component to coating system selection. This article focuses on performance evaluations that are used to prequalify coating systems...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003816
EISBN: 978-1-62708-183-2
...-corrosion cracking in various industrial and chemical environments. It concludes with a discussion on various corrosion testing methods, including aqueous corrosion testing, dynamic corrosion tests, and stress-corrosion testing. aqueous corrosion testing copper copper alloys dynamic corrosion tests...
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: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005667
EISBN: 978-1-62708-198-6
... types of tests. The chemical testing of a polymer can include several types of analysis: Infrared, such as Fourier transform infrared, can be used to show qualitative (and semiquantitative) information on the polymer composition. Gas- or liquid-phase chromatography can detect additives...