... As metal additive manufactured spaceflight hardware moves closer to use in upcoming missions, the need for appropriate nondestructive evaluation (NDE) procedures to qualify and certify parts becomes more pressing. Traditionally, the level and specificity of certification requirements...

... Elemental analysis of petroleum products and lubricants provides important information at all stages of the refining process. Since even trace levels of metals can lead to costly problems including reduced product yield, equipment failure, catalyst poisoning, and corrosion, laboratories need...

... in the Dutch classification. This class of sediment needs dredging and remediation treatments since the dredged material is too contaminated and cannot be used directly. S/S treatment has proven to be effective for the remediation of wastes contaminated with metals and can lead to the beneficial...

... The determination of metals in lime samples by inductively coupled plasma coupled with optical emission spectroscopy (ICP-OES) is not difficult to perform in itself, but a single dissolution method that can include all raw, finished, and waste products involved in lime production would be very...

... An investigation of sedimentary matrices in a polluted Irish river and estuary was undertaken to determine the distribution both spatially, and more importantly seasonally, of metal and organometal contamination on a monthly basis over 2 years. No previous investigations in Ireland have...

... miniature specimens are used. The engineering and “true stress-true local strain” relationships of irradiated metal polycrystals during plastic flow and hardening have been investigated experimentally after irradiation in two reactors in Kazakhstan. The true curves were obtained for copper, nickel, iron...

... is a filler metal used for dissimilar metal welds. metals flammability promoted ignition-combustion PICT behavior Stellite 6 MP35N Elgiloy Hastelloy B-3 Hastelloy W RA 330 CW6M Reprinted from JAI, Vol. 6, No. 10 doi:10.1520/JAI102230 Available online at www.astm.org/JAI Joseph F. Million,1...

... the sources of contamination. The paper will not consider the effects of particulate contamination. Because this is a well documented subject, the need for high levels of cleanliness in turbines is accepted practice. turbine oils contamination demulsibility filterability metals calcium zinc...

... scientists become involved, sometimes as failure analysts. ASTM Committee G-4 was formed in 1975. Its first standard was G-63, dealing with nonmetallic materials. In its first symposium conducted in 1982, this committee documented its intention to develop selection guidelines for metals. However, test...

... and have applied new engineering technologies and materials test data to better understand, discern, and characterize oxygen fire hazards. This paper describes some of the new technologies and materials test data used and how they can be applied to evaluating the compatibility of metals in oxygen service...

... of a specific case. composite metals components sensitivities results Joumal of ASTM International, September 2004, Vol. 1, No. 8 Paper ID JAIl 1560 Available online at www.astm.org Christos C. Chamis I and Shantaram S. Pai 2 Probabilistic Fatigue: Computational Simulation ABSTRACT: Probabilistic...

... Mining activities frequently impact wildlife habitats, and a wide range of habitats may require evaluations of the linkages between wildlife and environmental stressors common to mining activities (e.g., physical alteration of habitat, releases of chemicals such as metals and other inorganic...

... Experiments were performed in a wear machine especially constructed to simulate the natural in vivo process of wear in a de-bonded metal-cement interface. Four different bone cements were fretted against S-30 stainless steel with mat surface finish. The validation of the metal surfaces...

... COD CTOD displacement-based fracture characterization J -integral modified J -integral metals Dennis M. Lambert I and Hugo A. Ernst2 Fracture Mechanics Validity Limits and Physical Evidence of Constraint in Fracture REFERENCE: Lambert, D. M. and Ernst, H. A., "Fracture Mechanics Validity...

... To sustain the ever-increasing demands of material development for various oxygen applications, a promoted combustion test system was established at the BOC Group for evaluating the flammability of metallic materials in oxygen-enriched atmospheres. The system was designed with the following key...

... concentrations of these cations in ASTM reconstituted water are constant: the Ca:Mg molar ratio is 0.7 and the Na:K molar ratio is 21.3. Recent research has demonstrated that Ca is more important than Mg in modifying metal toxicity to salmonids. Hence, differences in the relative concentrations of these cations...

... A comparison of the acute LC50s for five metals between the standard test organism Eisenia fetida and the soil nematode Caenorhabditis elegans was made. Although the test with C. elegans is shorter (24 h vs. 2 wks) and uses less soil or testing medium (2.33 g vs. 200 g dry weight) than...

... This investigation implemented a statistically based sampling program to determine the ambient levels of metals and carcinogenic polycyclic aromatic hydrocarbons in municipalities that meet urban center population criteria within the Piedmont Region of New Jersey. New Jersey Department...

... of runoff present. Selected phase I TIE (toxicity identification evaluation) manipulations were applied to samples showing toxicity. Ballona Creek samples had a consistent response pattern; EDTA addition removed virtually all toxicity, implicating divalent trace metals as the probable toxic constituents...

... → amphibian” and terrestrial food-chains such as “soil → plant → small mammal” illustrate an approach for the derivation and validation of trophic transfer factors for metals considered as COPECs such as cadmium, chromium, copper, lead, and zinc. The results clearly indicate that the transfer of chemicals...