摘要:
The present invention provides a steel for machine and structural use which sustains mechanical properties such as strength by reducing S content, and exerts excellent machinability (in particular, tool life) in both of intermittent cutting with HSS tools and continuous cutting with carbide tools. The invention relates to a steel for machine and structural use which contains an oxide inclusion containing, wherein a total mass of an average composition of the oxide inclusions is 100%: CaO: 10 to 55 mass %; SiO2: 20 to 70 mass %; Al2O3: more than 0 and 35 mass % or less; MgO: more than 0 and 20 mass % or less; MnO: more than 0 and 5 mass % or less; and one or more members selected from the group consisting of Li2O, Na2O, K2O, BaO, SrO and TiO2: 0.5 to 20 mass % in total.
摘要:
The present invention provides a steel for machine and structural use which is capable of maintaining mechanical characteristics such as strength by reducing a S content as well as of exhibiting excellent machinability (particularly tool life) in intermittent cutting (such as hobbing) with the high speed tool, and a method useful for producing the steel for machine and structural use. The steel for machine and structural use according to the invention secures 0.002% or more of solute N in the steel and has a chemical composition which is appropriately adjusted and satisfies a relationship of the following expression (1): (0.1×[Cr]+[Al])/[O]≧150 . . . (1), in which [Cr], [Al], and [0] represent a Cr content (mass %), an Al content (mass %), and an O content (mass %), respectively.
摘要:
The present invention provides a steel for machine and structural use which sustains mechanical properties such as strength by reducing S content, and exerts excellent machinability (in particular, tool life) in both of intermittent cutting with HSS tools and continuous cutting with carbide tools. The invention relates to a steel for machine and structural use which contains an oxide inclusion containing, wherein a total mass of an average composition of the oxide inclusions is 100%: CaO: 10 to 55 mass %; SiO2: 20 to 70 mass %; Al2O3: more than 0 and 35 mass % or less; MgO: more than 0 and 20 mass % or less; MnO: more than 0 and 5 mass % or less; and one or more members selected from the group consisting of Li2O, Na2O, K2O, BaO, SrO and TiO2: 0.5 to 20 mass % in total.
摘要:
The present invention provides a steel for machine and structural use which is capable of maintaining mechanical characteristics such as strength by reducing a S content as well as of exhibiting excellent machinability (particularly tool life) in intermittent cutting (such as hobbing) with the high speed tool, and a method useful for producing the steel for machine and structural use. The steel for machine and structural use according to the invention secures 0.002% or more of solute N in the steel and has a chemical composition which is appropriately adjusted and satisfies a relationship of the following expression (1): (0.1×[Cr]+[Al])/[O]≧150 . . . (1), in which [Cr], [Al], and [0] represent a Cr content (mass %), an Al content (mass %), and an O content (mass %), respectively.
摘要:
According to one embodiment, a broadcast receiver receives a broadcast signal, and performs predetermined signal processing on the received broadcast signal. The broadcast receiver manages an off-timer function on the basis of an operation input from the user. When the off-timer setting time is set, the broadcast receiver controls to start recording, on a recording medium, a transmitted signal having undergone signal processing.
摘要:
According to one embodiment, a content display apparatus includes a display device having a tab display area which displays tabs and a content display area which displays content. The content display apparatus also includes a set of direction keys adapted to indicate a plurality of directions. Content corresponding to one of the tabs is displayed in the content display area. The content displayed in the content display area or a display form of the tab display area is changed in accordance with a direction which the set of direction keys indicates.
摘要:
According to one embodiment, a video signal processor includes an input module which receives a second video signal including control information for performing various specification about acquisition and display of a first video signal, an obtaining module which obtains the first video signal based on the specification of the control information detected from the second video signal and performs the processing about the display, and a processing module which superimposes the first video signal on the second video signal to display the both on the same screen at the same time.
摘要:
Disclosed is an electrostatic chuck having a coating layer (3) surrounding an insulating layer (1,2) and the eletrodes (3) consists essentially of non-crystalline carbon (DLC) having electric resistivity ranging from 10 sup 8 to 10 sup 13 &OHgr;-cm. The coating layer preferably contains 15-26 atom % of hydrogen. The coating layer preferably has an intensity ratio of 07-1.2, the intensity ratio being defined as a ratio of an intensity at 1360 cm−1 to another intensity at 1500 cm−1 when the said coating layer is subjected to Raman spectroscopic analysis. The coating layer is manufactured by the P-CVD process wherein hydrocarbon (CxHy) is introduced into a vacuum container and ionized therein by ionizing process and ionized hydrocarbon is deposited on the surface of the said conductive electrodes by apply thereto a predetermined pulse voltage within an after-glow time of smaller than 250 microseconds.
摘要翻译:公开了一种静电卡盘,其具有围绕绝缘层(1,2)的涂层(3),电极(3)基本上由非电阻碳(DLC)组成,其电阻率范围为10-12-810 -厘米。 涂层优选含有15-26原子%的氢。 涂层优选具有07-1.2的强度比,当所述涂层经受拉曼时,强度比定义为在1360cm -1处的强度与1500cm -1处的另一强度之比 光谱分析。 通过P-CVD工艺制造涂层,其中将碳氢化合物(C x H y)引入真空容器中并通过离子化方法离子化,并且通过施加电离碳氢化合物将电离碳氢化合物施加到所述导电电极的表面上, 余辉时间小于250微秒。