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Fractography of Metals and Plastics (.pdf)
-. the hydrogen embrittlement of steels. plications for both materials. His work led to the discovery of tech-. Fig. 2. Cross section showing fracture along. the knit line of a. Similarly, different chemical test. niques for photographing fracture. perfluoralkoxyethylene-lined impeller. methods are necessary...
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Plastics and Insulating Materials - Containing the Risk in Hazardous Areas (.pdf)
containers are generally produced from moulded plastic, as with IBCs (Intermediate Bulk Containers), and polypropylene fabric in the case of FIBCs (Flexible Intermediate Bulk Containers). Often pipes used to transfer these products are lined with plastic or PTFE, for corrosion resistance, hygiene...
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Case Study: Mass and Class
system gives NP Plastics the opportunity to produce both small, short running series of several hundredths and series of millions with lead times of several months. The Challenge: Inspect 600 Plastic Rings per Minute. You see rows of them lined up in almost every office: document binders in various...
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Measuring Tube Construction Affects the Long-Term Stability of Magmeters (.pdf)
This paper provides the full results of a German test agency's long term stability test comparing magmeters' plastic lined vs. ceramic flow sensor constructions. Filling machine type magmeters were used for the tests since they are often subject to rapid, repetitive cycling that includes...
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Fundamentals of Annular Snap-Fit Joints
of coefficient of friction and lead-angle interaction. Snap-fit joints are the most widely used way of joining and assembling plastics. They are classified according to their spring element and by separability of the joint: Will it be detachable, difficult to disassemble, or permanent? The most common...
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2001 Explorer Sport Trac: Most innovative design
of judges, it earned the distinction of Most Innovative Design. But how well does such a large vehicle handle? A quick glance at its full body with attached bed might lead you to assume it would handle like a pickup truck. Looks can be. 2001 Explorer Sport Trac: Most innovative design | Machine Design. Skip...
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Materials: Controversy Brewing Over PVC in Toys
that products they ship after March 1 must comply with strict new standards. These include morefrequent third-party testing of toy samples, date coding of all products, a more-stringent standard of 90 ppm for lead in surface coatings (the federal standard is 600 ppm), the elimination...
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Static Electricity - The Hidden Danger in Hazardous Areas (.pdf)
) packaging, owing to recent developments in. modern materials technology, it is now possible to obtain. There is a common misconception that simply attaching a. static dissipative plastic drums, kegs, IBCs, FIBCs, hoses. grounding lead to an insulating plastic container will make it. and piping...
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Flouroplastics
supports -- bearings, ball and roller-bearing components, and sliding bearing pads. Release surfaces -- sheet for preventing adhesion, pressure-sensitive tapes, and heat-shrinkable roll covers. Electrical and electronic -- insulation for coaxial cable, fixture and motor lead wire, hookup and panel...
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The Importance of Load in Maintaining Seal
reprint:Layout 1 11/6/07 11:32 AM Page 2. CARRYING. the load. Underestimating the importance of load to maintain seal can lead to gasket failure. Many factors affect the performance of the. Various Low Load Conditions. ubiquitous gaskets that provide critical seals between pipe. Flange Material...