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    • 2. 发明专利
    • IRON-NICKEL SERIES ALLOY MEMBER AND SEALED GLASS PARTS
    • JP2001107193A
    • 2001-04-17
    • JP28454699
    • 1999-10-05
    • TOSHIBA CORP
    • NAKAJIMA HITOSHITAKADO TEIJI
    • H01S5/022C22C38/00C22C38/08C22C38/50
    • PROBLEM TO BE SOLVED: To solve the problems that the conventional alloys used for the sealing of glass are inferior in the joinability with glass and in the reliability of sealing, and also the conventional alloys have not been able to suppress the reflection of light, lasers, or the like, and light elements produced by using the same have often been influenced by the reflection of light, lasers, or the like. SOLUTION: In this iron-nickel series alloy member for joining with glass in which the thermal expansion coefficient at 30 deg.C and in an optional temperature region from >30 to 400 deg.C is 60×10-7/ deg.C to 75×10-7/ deg.C, the difference between the thermal expansion coefficient of the iron-nickel series alloy member at 30 deg.C and in an optional temperature region from 200 to 350 deg.C and the thermal expansion coefficient of the above glass lies in the range of ±10% by the ratio with the thermal expansion coefficient of the glass as a standard, the arithmetical average roughness Ra prescribed by JIS B0601-1994 of the above iron-nickel series alloy member is >0.20 to 2.00 μm, the average spacing Sm of ruggedness prescribed by JIS B0601-1994 is 5 to 200 μm, and also, Sm/Ra is >=35.
    • 6. 发明专利
    • MAGNETIC SHIELDING PART
    • JPH11186019A
    • 1999-07-09
    • JP34817197
    • 1997-12-17
    • TOSHIBA CORP
    • NAGASAKI KIYOSHITAKADO TEIJIKATSUI NOBUO
    • C22C19/03G11B5/10G11B5/11H01F1/147
    • PROBLEM TO BE SOLVED: To greatly improve hot workability of magnetic shielding parts, without deteriorating the magnetic characteristic of the parts by forming the parts of a magnetic alloy containing nickel, copper, manganese, silicon, aluminum, magnesium, molybdenum, and iron which are mixed with each other at a specific wt.%. SOLUTION: Magnetic shielding parts 2 are formed of a magnetic alloy, containing about 55-85 wt.% nickel, about 0.5 to 3 wt.% copper, about 3 to 27 wt.% manganese, about 0.02 to 2% silicon, about 0 to 8 wt.% molybdenum, about 0.001 to 0.05 wt.% aluminum, about 0.001-0.03 wt.% magnesium, and the balance substantially iron. In order to further improve hot workability of the parts, in addition, it is possible to add various kinds of elements, such as titanium, zirconium, calcium, boron, carbon, etc., and other deoxidizers and desulfurizing agents to the alloy at about 1 wt.% or lower. Therefore, the hot workability of the magnetic shielding parts can be improved greatly, without impairing the magnetic shielding property and weldability of the parts.
    • 9. 发明专利
    • METHOD OF MANUFACTURING CUTTER COMPOSED OF Ni-Cr ALLOY
    • 制备Ni-Cr合金切割机的方法
    • JP2009191369A
    • 2009-08-27
    • JP2009125069
    • 2009-05-25
    • Toshiba Corp株式会社東芝
    • ARAI TOMOHISAROKUTANDA TAKASHITAKADO TEIJI
    • C22F1/10B26B1/00B26B3/00B26B9/00B26D1/00C22C19/05C22F1/00
    • B26B9/00B26B3/00B26D1/0006B26D2001/002C22C19/053C22C19/055C22C19/058
    • PROBLEM TO BE SOLVED: To provide a cutter composed of a Ni-Cr alloy produced with an superior workability and by a significantly simplified process, having a low deterioration in hardness even when heated in use, having excellent corrosion resistance and low-temperature embrittlement resistance, and satisfactorily maintaining the cutting performance for a long time. SOLUTION: In the method of manufacturing a cutter composed of an Ni-Cr alloy containing from 32 to 44 mass% of Cr, from 2.3 to 6 mass% of Al, the balance being Ni, impurities, and additional trace elements and having a Rockwell C hardness of 52 or more, the Ni-Cr alloy further includes: 0.1 mass% or less of C; 0.05 mass% or less of Mn; 0.005 mass% or less of P; 0.005 mass% or less of O; 0.003 mass% or less of S; 0.02 mass% or less of Cu; and 0.05 mass% or less of Si; as the impurities and the additional trace elements. The total content of P, O, and S is 0.01 mass% or less and the total content of Mn, Cu, and Si is 0.05 mass% or less. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供一种由具有优异的加工性和极其简化的工艺生产的Ni-Cr合金的刀具,即使在使用中加热时也具有低的硬度劣化,具有优异的耐腐蚀性和低的性能, 耐温脆性,长时间保持切割性能。 解决方案:在由含有32〜44质量%的Cr,2.3〜6质量%的Al的Ni-Cr合金的制造方法中,余量为Ni,杂质和其他微量元素, 具有52以上的Rockwell C硬度,Ni-Cr合金还包括:0.1质量%以下的C; 0.05质量%以下的Mn; 0.005质量%以下的P; 0.005质量%以下的O; 0.003质量%以下的S; 0.02质量%以下的Cu; 和0.05质量%以下的Si; 作为杂质和其他微量元素。 P,O,S的总含量为0.01质量%以下,Mn,Cu,Si的总含量为0.05质量%以下。 版权所有(C)2009,JPO&INPIT