Hi Won
Hi Won Jeong, Kyunsamgnam-Do KR
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20100019145 | Apparatus of Measuring the Orientation Relationship Between Neighboring Grains Using a Goniometer in a Transmission Electron Microscope and Method for Revealing the Characteristics of Grain Boundaries - An apparatus and method for measuring the crystallographic orientation relationship of neighboring grains and the characteristics of grain boundaries using a goniometer of a transmission electron microscope are disclosed to check the orientation relationship between two crystals and the characteristics of grain boundaries with a small error in real time. An apparatus for measuring the orientation relationship between neighboring grains and the characteristics of grain boundaries by using a goniometer of a transmission electron stereoscope, the apparatus comprising a goniometer mounted at a transmission electron microscope and a measurement unit for revealing the characteristics of grain boundaries of a specimen by linear-algebraically interpreting the relationship between crystal axes and tilt axes of the specimen using the goniometer. | 01-28-2010 |
Hi Won Jeong, Gimhae-Si KR
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20110256018 | Ni-Based Single Crystal Superalloy with Good Creep Property - A Ni-based single crystal superalloy with good resistance to creep deformation and creep life at a high temperature is formed by adjusting the quantity of relatively inexpensive alloy elements while minimizing the quantity of expensive alloy elements. The Ni-based single crystal superalloy with good creep properties comprises Co: 11.5˜13.5%, Cr: 3.0˜5.0%, Mo: 0.7˜2.0%, W: 8.5˜10.5%, Al: 4.5˜6.5%, Ti: 0.5˜2.0%, Ta: 6.0˜8.0%, Re: 2.0˜4.0%, Ru: 0.1˜2.0% in Weight %, with the rest of the superalloy comprising Ni and other inevitable impurities. In addition, the superalloy has a mixed structure of the γ matrix and γ′ particles. | 10-20-2011 |
Hi Won Lee, Seoul KR
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20140144252 | TORQUE SENSOR - Disclosed herein is a torque sensor. The torque sensor includes a cylindrical upper case having one open end and an overload prevention member that is fixed to the upper case to prevent overload. A lower case covers the open end of the upper case and an elastic structure member is disposed on the lower case to detect deformation. Additionally, a silicon structure member is disposed on the elastic structure member to detect deformation. | 05-29-2014 |