Aluminum plate test

Aluminum Perchlorate. See under Perchlorates Aluminum Picrote. See under Picrates Aluminum Plate Test far Detonators is briefly described under Plate Tests and also in... 

The sweeping test, following X, Y and Z axes, on the aluminum plate containing four standard defects and the processing software comparing between the impedance variation of the sane reference and the sample to be controlled allow the reconstitution of an image of the piece. 

Twenty-four hundred grams (25.6 mol) of phenol, 1645 g of 37 wt % formaldehyde (20.3 mol), and 30 g (0.33 mol) of oxalic acid were charged to a 5-L, three-necked resin kettle. The mixture was stirred and refluxed until the distillate was free of formaldehyde (1-3 h) then water was distilled from the mixture until the resin temperature reached 154°C. The viscosity of the resin at this point at 150°C was such diat 105 s was required for flow in an inclined plate test. The pressure was slowly reduced while a slow current of nitrogen was bubbled through the resin, and the mixture was heated to 175°C at 6 mm Hg. Approximately 6 wt % phenol was recovered then the resin was poured into an aluminum dish and cooled. The resin had a melt viscosity of 510 s at 150°C. 

Xu et al. (2000) investigated de-ionized water flow in micro-channels with hy-draulie diameter ranging from 30 to 344 pm at Reynolds numbers ranging from 20 to 4,000. Two test modules were used. The first test module consisted of a cover and an aluminum plate, into which a micro-channel, inlet and outlet sumps were machined. A Plexiglas plate was used to cover the channel. The second module was fabricated from a silicon wafer, and a 5 mm thick Pyrex glass was utilized to... 

Fig. 4.5d-f Rectangular micro-channels, (d) dh = 750 jin. Test section used by Warrier et al. (2002) (schematic view) 1 upper aluminum plate, 2 down aluminum plate, 3 micro-channel, 4 heater, (e) rfh = 200—2,000 pm. Test section used by Gao et al. (2002) (schematic view) 1 brass block, 2 micro-channel, 3 heater, (f) Thermally developing flow in rectangular micro-channel (Lee et al. 2005) (schematic view) 1 cover plate, 2 micro-channel, 3 copper block, 4 heater. Reprinted from Peng and Peterson (1996), Harms et al. (1999), Warrier et al. (2002), Qu and Mudawar (2002a), Gao et al. (2002), and Lee et al. (2005) with permission... 

A schematic of the two-dimensional test apparatus with three draft tubes is shown in Fig. 12. The two-dimensional bed is constructed with transparent Plexiglas plates in the front and aluminum plates at the back with a cross-section of 50.8 cm by 2.54 cm and 244 cm high. The three draft tubes have a cross-sectional area of 2.54 cm by 2.54 cm each and 91 cm high. The three draft tubes divide the bed into four separate downcomers. The two downcomers next to the side walls have a cross-section of 5.9 cm by 2.54 cm while the remaining two downcomers have a cross-section exactly two times, i.e., 11.8 cm by 2.54 cm. If all three draft tubes operate similarly, the bed should have three identical cells, each with a single draft tube. The distance between the draft tube inlet and the air distributor plate was maintained at a constant spacing of 5.1 cm throughout the experiments. 

Plasticized PVC is tested by covering both sides of the pigmented test sheet with white plasticized PVC films, which are placed between glass or aluminum plates. With a certain weight on it, this sandwich is exposed for 24 hours at a temperature of 80°C (or for 15 hours at 100°C) [41], The thickness of the test sample does not affect the test results. 

The work function of the rubbing surfaces and the electron affinity of additives are interconnected on the molecular level. This mechanism has been discussed in terms of tribopolymerization models as a general approach to boundary lubrication (Kajdas 1994, 2001). To evaluate the validity of the anion-radical mechanism, two metal systems were investigated, a hard steel ball on a softer steel plate and a hard ball on an aluminum plate. Both metal plates emit electrons under friction, but aluminum produced more exoelectrons than steel. With aluminum, the addition of 1% styrene to the hexadecane lubricating fluid reduced the wear volume of the plate by over 65%. This effect considerably predominates that of steel on steel. Friction initiates polymerization of styrene, and this polymer formation was proven. It was also found that lauryl methacrylate, diallyl phthalate, and vinyl acetate reduced wear in an aluminum pin-on-disc test by 60-80% (Kajdas 1994). 

Davis, Vol 1 (1941) Determination of Detonation Velocity by Dautriche Method (pp 14-18) Impact or Drop Test (p 21) Ignition Temperature Test (21-22) Stability Tests (22) Power by Trauzl Method (24-5) Brisance Tests by Small Lead Blocks (25-6) Aluminum Plate and Lead Plate Tests for Detonators (26-7)... 

Fioure 15. Aluminum Plate and Lead Plate Tests of Detonators. (Courtesy Atlas Powder Company.)... 

A convenient method to produce porous surfaces is the anodic oxidation of aluminum plates. Such microstructured aluminum platelets have been coated by wet impregnation with Pt-, V- and Zr-precursors [35], and tested under catalytic methane combustion conditions. The conversion rate of oxygen followed directly the platinum content in the catalysts. These data were well reproducible even after five different runs. 

The critical voltages for aluminum plates in electrolytes formed by 1 per cent, solutions of various chemicals, tested after 24-hour formation of the film, are as follows ... 

The orifice plate, 0.5 mm thick, had 24 holes (140 pm in diameter), distributed on a square array pattern with 2 mm spacing. All the tests were conducted keeping the jet velocity approximately constant at 4.5 m/s. Aluminum pin fins, 20 mm long and 3.175 mm in diameter, were installed on the outside of the container in a 45 staggered pattern with both pitches equal to 10.16 mm. The fin tips are inserted into holes drilled into four aluminum plates, which are welded at the corners and form an external shroud. A small DC fan is mounted at the bottom that pushes ambient air over the fins. 

Packed tower studies were made with a borosilicate glass column 4 inches in inside diameter packed with /4-inch ceramic Intalox saddles. The feed was metered through a rotameter from a constant-head tank, and distributed through the tower with a perforated aluminum plate. Aluminum tubing and polyethylene pipe were used to connect the ozone generator to the tower. A continuous sample was withdrawn from the tower bottom for analysis, and exit gas from the top of the tower was conducted to a wet-test meter for volume measurements. Ozone was absorbed in 5% potassium iodide solutions and titrated with thiosulfate to a starch end point. 

There have been a number of previous attempts to relate the appearance of higher harmonics in the transmission of ultrasound through bonded structures to the quahty of the bonds [2-9]. Commonly used is the so-called nonhnearity parameter y 2, a measure of the generation of only the second harmonic [2], and the distortion factor K which describes the complete nonlinear content of the response [7]. In this paper cahbrated measurements on samples consisting of two aluminum plates joined together by a thin epoxy layer are presented and discussed. The amphtudes and phases of the ultrasonic waves transmitted through the bond are considered. The measurements are related to the results of destructive tensile tests of the adhesive layer. 

Tobler and Reed [ °] conducted /-integral tests on 4.3-cm-thick 5083-0 aluminum plate in the TL orientation at room and cryogenic temperatures. This... 

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