نتایج جستجو برای: sheet molding compounds
تعداد نتایج: 270290 فیلتر نتایج به سال:
1- in a search directed to the reaction of compound)23(the cycloaddition reaction of 1,3- diphenylisobenzofurane)14(with p-benzoquinone)19(,followed by addition of cyclopentadiene was carried out.the specific spacial stracture of its ir,nmr,mass spectra. 2- in another attempt the kinetic stability and behavior of compounds)20(and)23(was studied.the main subject of this study was the highly reve...
The presence of an already molded component during the second and subsequent molding stages makes multi-material injection molding different from traditional injection molding process. Therefore, designing multi-material molded objects requires addressing many additional manufacturability considerations. In this paper, we first present an approach to systematically identifying potential manufac...
Injection molding technology continually develops, with major milestones including the introduction of the first thermoplastic materials, the reciprocating screw design, the first hot runner systems, engineering materials, the introduction of microprocessors for machine control, Computer Aided Engineering flow simulation software, and recently the application of expert systems for optimized mac...
Nowadays injection molding is probably the most important method of Processing of consumer and industrial goods, and is performed everywhere in the world. The developing of injection molding becomes a competition from day to day. This Process now integrated with computer control make the production better in quality and Better quantity. The trends of producing a plastics product in injection mo...
for 2006 IEEE 1 An Environmental Analysis of Injection Molding Extended Abstract – Green Manufacturing Processes Alexandre Thiriez and Timothy Gutowski Department of Mechanical Engineering Massachusetts Institute of Technology Rm. 35-234 77 Massachusetts Ave. Cambridge, MA 02139 Plastic components are integral parts in electrical and electronic (E&E) products. 8.5% of the plastic production is ...
AIMS AND OBJECTIVES The objective of the present study is to compare the effectiveness of three different processing techniques and to find out the accuracy of processing techniques through number of occlusal interferences and increase in vertical dimension after denture processing. MATERIALS AND METHODS A cross-sectional study was conducted on a sample of 18 patients indicated for complete d...
چکیده ندارد.
Powder Injection Molding (PIM) is a precision manufacturing process used for production of advanced composites. Mixing of polymeric binder with metal powders, molding of feedstock, de-binding of brown parts and sintering of green samples are four main steps of this process. In the present study, the compounds containing multi-component binder system and aluminum/ nano-alumina (0-9 wt.%) powders...
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