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Keywords: fiber
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eBook Chapter
Series: ASTM Manuals
Publisher: ASTM International
Published: 2021
ISBN: 978-0-8031-7131-2
... This chapter describes textile processes and the surfactants used in them. These processes can be grouped into four major types: fiber and yarn production, fabric production, dyeing and printing, and finishing of the fabric. Of these, the last three employ wet chemicals, and they are the primary...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2016
ISBN: 978-0-8031-7637-9
... identified and rationale that may be used to derive particulate cleanliness limits for specific oxygen systems. contamination fiber particulate oxygen service liquid oxygen 152 FLAMMABILITY AND SENSITIVITY OF MATERIALS IN OXYGEN-ENRICHED ATMOSPHERES: 14TH VOLUME STP 1596, 2016 / available online...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2000
ISBN-10: 0-8031-2613-1
ISBN: 978-0-8031-2613-8
... and unfilled themoplastic and thermosetting plastics • Metal-clad dielectrics • Glass and Mica • Embedment resins, compounds, and waxes Cable ceramic dielectrics fiber glass insulation jacket mica paper plastics resin rubber semi-conducting sheet tape tubing varnishes waxes wire...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1999
ISBN-10: 0-8031-2616-6
ISBN: 978-0-8031-2616-9
... A new technique for classifying fibers according to length has opened up opportunities for improving fiber measurement technology. The classification principle is dielectrophoresis, which moves conductive fibers at a velocity proportional to the square of their length. Even non-conductive fibers...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1999
ISBN-10: 0-8031-2616-6
ISBN: 978-0-8031-2616-9
... Two International Standards for measurement of asbestos in air by transmission electron microscopy (TEM) have been approved. A key feature of the ISO TEM methods is the ability, from a single examination, to derive fiber concentrations for comparison with all known legislated control limits...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1999
ISBN-10: 0-8031-2616-6
ISBN: 978-0-8031-2616-9
... are satisfactory filters for determination of the concentrations of asbestos fibers of all lengths in water samples, but that the presence of surfactant may introduce a negative bias in the shorter fiber sizes. The results show that the observed fiber densities on 0.22 μm porosity MCE filters increase with plasma...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1999
ISBN-10: 0-8031-2616-6
ISBN: 978-0-8031-2616-9
..., made by either ASTM D5755-95 or D5756-95, do not provide a valid scientific basis for prediction of airborne chrysotile concentrations. Asbestos chrysotile air dust fiber transmission electron microscopy resuspension k-factor falling speed Eric J. Chatfield1 Correlated Measurements...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1991
ISBN-10: 0-8031-1424-9
ISBN: 978-0-8031-1424-1
... connections are stronger than steel, will not corrode, are flexible to withstand thermal cycling, and are cost competitive. Modern technology has provided concrete panel manufacturers with the ability to produce concrete panels that are almost 100% thermally efficient. thermal bridge fiber composite(s...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1990
ISBN-10: 0-8031-1456-7
ISBN: 978-0-8031-1456-2
... that SCR of these geomembrane sheets vary over a wide range from a minimum of 4 hours to over 600 hours. geomembrane polyethylene ductile brittle stress cracking resistance crystallinity amorphous lamellae tie molecules ductile-brittle transition fracture fiber hackle Yick H. Halse...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1986
ISBN-10: 0-8031-0472-3
ISBN: 978-0-8031-0472-3
... but also on the fiber used. AS4/3501-6 material exhibits higher resistance than AS1/3501-6. The influences of temperature and porosity on delamination growth resistance have been investigated. It is found that AS1/3501-6 has lower resistance at -54° C (-65° F) than at room temperature ambient conditions...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1983
ISBN-10: 0-8031-0241-0
ISBN: 978-0-8031-0241-5
... Porous structures show substantial potential as attachment vehicles for permanent orthopedic implants. Data on the properties of porous titanium fiber and titanium wire mesh porous structures are presented. The strength and porosity requirements are reconciled by using a fully dense Ti-6Al-4V...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1983
ISBN-10: 0-8031-0254-2
ISBN: 978-0-8031-0254-5
... with data from other sources. Highly accurate fiber-to-matrix ratios, porosities, and mineral contents can be quickly and easily determined from area point-counts of these peat sections. The terms fibric, hemic , and sapric , which have been widely used in the United States for describing peats, can...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1978
ISBN-10: 0-8031-0589-4
ISBN: 978-0-8031-0589-8
... between the results obtained by the two different methods gives us confidence in their reliability for insulation design. thermal conductivity fiber standard insulation hot-wire method linear heat source transient nonsteady state high temperature anisotropy orientation furnace thyristor...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1969
ISBN: 978-0-8031-0017-6
... This study was made to determine the effect of test variables on the strength of unidirectional composites. Specimens of glass fiber reinforced epoxy of varying geometry were tested in tension and flexure at several strain rates. Both experimental and theoretical results show that specimen...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1969
ISBN: 978-0-8031-0017-6
... In an effort to find new techniques for detecting and measuring the microcracking process in fiber reinforced plastic composites, detectable electrical effects and, in some cases, luminescence have been observed. The nature of these effects at present is not fully known. However, knowledge...