Zobrazeno 1 - 10
of 126
pro vyhledávání: '"Myeong Woo Cho"'
Publikováno v:
Sensors, Vol 8, Iss 2, Pp 877-885 (2008)
This study is to develop a micromachining technology for a light guidepanel(LGP) mold, whereby micro dot patterns are formed on a LGP surface by a singleinjection process instead of existing screen printing processes. The micro powder blastingtechniq
Externí odkaz:
https://doaj.org/article/56d4253f35784f50835222c9e38e194c
Publikováno v:
Journal of Mechanical Science and Technology. 32:3345-3350
Mechanical grinding techniques can cause residual stress, micro-cracks, and work hardening in workpieces. Processes employing magnetorheological (MR) fluid aim to reduce subsurface damage by avoiding the direct application of mechanical force. Howeve
Publikováno v:
Journal of Intelligent Material Systems and Structures. 29:137-146
While magnetorheological fluids can be used for ultra-precise polishing, for example, of advanced optical components, oxidation of metallic particles in water-based magnetorheological fluids causes irregular polishing behavior. In this study, carbony
Publikováno v:
Journal of Mechanical Science and Technology. 31:4387-4393
Aluminum anodizing is a process in which metal is oxidized with an electrochemical method to make a metallic oxide. Because it can be used to manufacture an Anodic aluminum oxide (AAO) with dozens to hundreds of nanoscale pores that are vertically an
Publikováno v:
Journal of Mechanical Science and Technology. 31:1861-1867
Carbon fiber-reinforced plastic (CFRP) composites have been widely used in many industries, including aerospace, automobiles, medical devices, and building materials, because of their good material properties, such as weight, rigidity, strength, and
Publikováno v:
Industrial & Engineering Chemistry Research. 56:2416-2424
Magnetorheological (MR) finishing has been adopted as a newly ultraprecision finishing method for microparticles, an optical system, and an aspherical lens, mainly by MR fluids consisting of magnetic carbonyliron (CI) particles and a carrier fluid su
Publikováno v:
Transactions of Materials Processing. 24:437-442
Publikováno v:
Transactions of Materials Processing. 24:431-436
MR fluid can change viscosity in the presence of a magnetic field. A characteristic of MR fluid is reduced scattering during jetting. For these reasons a MR fluid jet polishing system can be used for ultra-precision polishing. In the current paper, t
Publikováno v:
Journal of the Korea Academia-Industrial cooperation Society. 16:6925-6931
LED(Light Emitting Diode) is used in various filed like a display because of low power consuming, long life span, high brightness, rapid response time and environmental-friendly characteristic. General fabrication method is combination blue light LED
Publikováno v:
Journal of the Korea Academia-Industrial cooperation Society. 16:7071-7077
In recently, the demand of cover-glass is increased because smart phone, tablet pc, and electrical device has become widely used. The display of mobile device is enlarged, so it is necessary to have a high strength against the external force such as