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    • 3. 发明授权
    • High-strength stainless steel pipe excellent in sulfide stress cracking resistance and high-temperature carbonic-acid gas corrosion resistance
    • 高强度不锈钢管具有优异的耐硫化应力开裂性和高温碳酸气体耐腐蚀性能
    • US08608872B2
    • 2013-12-17
    • US13082432
    • 2011-04-08
    • Kunio KondoHisashi AmayaHideki TakabeTaro Ohe
    • Kunio KondoHisashi AmayaHideki TakabeTaro Ohe
    • C22C38/42C22C38/44
    • C22C38/42C22C38/001C22C38/02C22C38/04C22C38/06C22C38/44
    • The problem to be solved is the provision of a high-strength stainless steel pipe having a sufficient corrosion resistance in a high-temperature carbonic acid gas environment and having an excellent sulfide stress cracking resistance at normal temperature. A high-strength stainless steel pipe consist of, by mass %, C: 0.05% or less, Si: 1.0% or less, P: 0.05% or less, S: less than 0.002%, Cr: more than 16% and 18% or less, Mo: more than 2% and 3% or less, Cu: 1% to 3.5%, Ni: 3% or more and less than 5%, Al: 0.001% to 0.1% and O: 0.01% or less, Mn: 1% or less and N: 0.05% or less, and Mn and N in the above ranges satisfy formula (1), and the balance being Fe and impurities; and the metal micro-structure of the stainless steel pipe mainly includes a martensitic phase and comprises 10 to 40% of a ferritic phase by volume fraction and 10% or less of a retained γ-phase by volume fraction. [Mn]×([N]−0.0045)≦0.001  (1) wherein the symbols of elements in formula (1) respectively represent the contents (unit: mass %) of the elements in the steel.
    • 要解决的问题是在高温碳酸气体环境中提供具有足够耐腐蚀性的高强度不锈钢管,并且在常温下具有优异的耐硫化物应力开裂性。 高强度不锈钢管以质量%计含有C:0.05%以下,Si:1.0%以下,P:0.05%以下,S:小于0.002%,Cr:16%以上18以下 %以下,Mo:大于2%,3%以下,Cu:1〜3.5%,Ni:3%以上且小于5%,Al:0.001〜0.1%,O:0.01%以下 ,Mn:1%以下,N:0.05%以下,上述范围的Mn和N满足式(1),余量为Fe和杂质; 并且不锈钢管的金属微结构主要包括马氏体相,并且包含10〜40体积%的铁素体相和10体积%以下的γ相。 [Mn]×([N] -0.0045)@ 0.001(1)其中,式(1)中的元素的符号分别表示钢中元素的含量(单位:质量%)。
    • 5. 发明申请
    • ELECTROLUMINESCENT ELEMENT, METHOD FOR MANUFACTURING ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE AND ILLUMINATING DEVICE
    • 电致发光元件,制造电致发光元件的方法,显示装置和照明装置
    • US20120299469A1
    • 2012-11-29
    • US13519599
    • 2010-12-21
    • Kunio KondoKanjiro SakoMasaru TajimaKatsumasa Hirose
    • Kunio KondoKanjiro SakoMasaru TajimaKatsumasa Hirose
    • H05B33/12H05B33/10
    • H01L51/5275H01L27/3281H01L27/329H01L51/5209H05B33/14
    • Disclosed is an electroluminescent element (10) which includes an anode layer (12), a cathode layer (14), a first low refractive index layer (13) that is formed between the anode layer (12) and the cathode layer (14), a recessed portion (16) that penetrates at least the anode layer (12) and the first low refractive index layer (13), a second low refractive index layer (19) that is formed on the bottom of the recessed portion (16), and a light emitting portion (17) that is formed on the second low refractive index layer (19). The electroluminescent element (10) is also characterized in that the refractive index of the first low refractive index layer (13) and the refractive index of the second low refractive index layer (19) are lower than the refractive index of the light emitting portion (17). The electroluminescent element (10) provides an electroluminescent element which has high light-emitting efficiency when the light emitted from the light emitting portion is taken out from the substrate side.
    • 公开了一种电致发光元件(10),其包括形成在阳极层(12)和阴极层(14)之间的阳极层(12),阴极层(14),第一低折射率层(13) ,至少穿透所述阳极层(12)和所述第一低折射率层(13)的凹部(16),形成在所述凹部(16)的底部上的第二低折射率层(19) 和形成在第二低折射率层(19)上的发光部分(17)。 电致发光元件(10)的特征还在于,第一低折射率层(13)的折射率和第二低折射率层(19)的折射率低于发光部分(的折射率) 17)。 电致发光元件(10)提供当从基板侧取出从发光部分发出的光时具有高发光效率的电致发光元件。
    • 7. 发明授权
    • Induction hardened hollow driving shaft
    • 感应淬火空心驱动轴
    • US08070890B2
    • 2011-12-06
    • US12346569
    • 2008-12-30
    • Kunio KondoKouichi Kuroda
    • Kunio KondoKouichi Kuroda
    • C22C38/32C22C38/28
    • C21D1/10C21D9/28C22C38/04C22C38/06C22C38/28C22C38/32Y02P10/253Y10S148/909
    • The present invention provides an induction-hardened hollow driving shaft that comprises, as a raw material, a steel pipe that contains, by mass %, 0.30 to 0.47% C, 0.5% or less Si, 0.3 to 2.0% Mn, 0.018% or less P, 0.015% or less S, 0.15 to 1.0% Cr, 0.001 to 0.05% Al, 0.005 to 0.05% Ti, 0.004% or less Ca, 0.01% or less N, 0.0005 to 0.005% B and 0.0050% or less O (oxygen) and the balance Fe and impurities and of which Beff defined by an equation (a) or (b) below is 0.0001 or more, wherein a prior austenite grain size number (JIS G0551) after the hardening is 9 or more. Here, in the case of Neff=N−14×Ti/47.9≧0, Beff=B−10.8×(N−14×Ti/47.9)/14 . . . (a), and, in other cases, Beff=B . . . (b). According to the present invention, a hollow driving shaft that is simultaneously provided with excellent cold workability, hardenability, toughness and torsional fatigue strength and can exert stable fatigue lifetime can be obtained and can be widely utilized.
    • 本发明提供一种感应淬火的中空驱动轴,其包括以质量%计含有0.30〜0.47%C,0.5%以下的Si,0.3〜2.0%Mn,0.018%或以下的钢管作为原料 较小的P,0.015%以下的S,0.15〜1.0%的Cr,0.001〜0.05%的Al,0.005〜0.05%的Ti,0.004%以下的Ca,0.01%以下的N,0.0005〜0.005%的B和0.0050%以下的O (氧),余量为Fe和杂质,其中由下式(a)或(b)定义的Beff为0.0001以上,硬化后的原奥氏体晶粒数(JIS G0551)为9以上。 这里,在Neff = N-14×Ti /47.9≥0的情况下,Beff = B-10.8×(N-14×Ti / 47.9)/ 14。 。 。 (a),而在其他情况下,Beff = B。 。 。 (b)。 根据本发明,可以获得同时具有优异的冷加工性,淬透性,韧性和扭转疲劳强度并且可以发挥稳定的疲劳寿命的中空驱动轴,并且可以被广泛使用。
    • 8. 发明授权
    • Seamless steel pipe for line pipe and a process for its manufacture
    • 管道无缝钢管及其制造工艺
    • US07896985B2
    • 2011-03-01
    • US12071493
    • 2008-02-21
    • Yuji AraiKunio KondoNobuyuki Hisamune
    • Yuji AraiKunio KondoNobuyuki Hisamune
    • C21D9/08C22C38/44
    • C22C38/005C21D8/105C21D9/08C22C38/001C22C38/04C22C38/06C22C38/12Y10S148/909
    • A seamless steel pipe for line pipe having a high strength and good toughness and corrosion resistance even though having a thick wall has a chemical composition comprising, in mass percent, C: 0.02-0.08%, Si: at most 0.5%, Mn: 1.5-3.0%, Al: 0.001-0.10%, Mo: greater than 0.4% to 1.2%, N: 0.002-0.015%, Ca: 0.0002-0.007%, and a remainder of Fe and impurities, wherein the contents of the impurities are at most 0.03% for P, at most 0.005% for S, at most 0.005% for O and less than 0.0005% for B and wherein the value of Pcm calculated by the following Equation (1) is at least 0.185 and at most 0.250. The steel pipe has a microstructure which primarily comprises bainite and which has a length of cementite of at most 20 micrometers: Pcm=[C]+[Si]/30+([Mn]+[Cr]+[Cu])/20+[Mo]/15+[V]/10+5[B]  (1) wherein [C], [Si], [Mn], [Cr], [Cu], [Mo], [V] and [B] are numbers respectively indicating the content in mass percent of C, Si, Mn, Cr, Cu, Mo, V and B.
    • 即使具有厚壁,也具有高强度,良好的韧性和耐腐蚀性的线管用无缝钢管,其化学成分的质量百分比含有C:0.02〜0.08%,Si:0.5%以下,Mn:1.5 -3.0%,Al:0.001-0.10%,Mo:大于0.4%-1.2%,N:0.002-0.015%,Ca:0.0002-0.007%,余量为Fe和杂质,杂质含量为 P最多为0.03%,S为0.005%以下,O为0.005%以下,B为0.0005%以下,其中,通过下述式(1)计算出的Pcm值为0.185以上且0.250以下。 钢管具有主要包括贝氏体并且具有至多20微米的渗碳体长度的微结构:Pcm = [C] + [Si] / 30 +([Mn] + [Cr] + [Cu])/ 20 + [Mo] / 15 + [V] / 10 + 5 [B](1)其中〔C〕,〔Si〕,〔Mn〕,〔Cr〕,〔Cu〕,〔Mo〕,〔V〕, B]是分别表示C,Si,Mn,Cr,Cu,Mo,V和B的质量含量的数字。
    • 9. 发明授权
    • Steel pipe for an airbag inflator and a process for its manufacture
    • 用于气囊充气机的钢管及其制造方法
    • US07566416B2
    • 2009-07-28
    • US11260369
    • 2005-10-28
    • Takashi TakanoYuji AraiKunio KondoKeisuke Hitoshio
    • Takashi TakanoYuji AraiKunio KondoKeisuke Hitoshio
    • C22C38/18C22C38/00C21D9/08B60R21/26
    • C21D9/08B60R21/268
    • A steel pipe for an airbag inflator having a high strength of at least 900 MPa and preferably at least 1000 MPa in tensile strength along with a high toughness and exhibiting good resistance to bursting such that it has no propagation of cracks in a burst test at −40° C. or below is manufactured by quenching a pipe of a steel comprising, in mass %, C: 0.05-0.20 %, Si: 0.1-1.0 %, P: at most 0.025 %, S: at most 0.010 %, Cr: 0.05-1.45 %, Al: at most 0.10 %, and one or both of Ti and Mn satisfying Ti≦0.02% and 0.4%≦Mn+40Ti≦1.2% from a temperature of at least the Ac1 transformation point of the steel, tempering the pipe at a temperature lower than the Ac1 transformation point, applying cold working to it with a reduction of area of at most 65%, and subjecting it to stress relief annealing at a temperature lower than the Ac1 transformation point. The ratio L/T of the X-ray integrated intensity ratio of the {110} plane measured for the cross section perpendicular to the axial direction L of the steel pipe to that measured for the cross section perpendicular to the circumferential direction T is at most 50.
    • 一种用于气囊充气机的钢管,其具有高强度至少900MPa,优选至少1000MPa的拉伸强度以及高韧性并且表现出良好的抗爆裂性,使得其在爆破试验中不会发生裂纹, 40℃以下是通过以质量%C:0.05〜0.20%,Si:0.1〜1.0%,P:0.025%以下,S:0.010%以下,Cr: :0.05-1.45%,Al:至多0.10%,并且从至少Ac1相变点的温度至少满足Ti <0.02%和0.4%<= Mn + 40Ti <= 1.2%的Ti和Mn中的一种或两种 钢在低于Ac1相变点的温度下回火管道,以至少65%的面积减少对其进行冷加工,并在低于Ac1相变点的温度下进行应力消除退火。 与垂直于圆周方向T的横截面测量的垂直于钢管的轴线方向L的横截面测量的{110}面的X射线积分强度比的比L / T最多 50。
    • 10. 发明申请
    • Seamless steel pipe for line pipe and a process for its manufacture
    • 管道无缝钢管及其制造工艺
    • US20090114318A1
    • 2009-05-07
    • US12071493
    • 2008-02-21
    • Yuji AraiKunio KondoNobuyuki Hisamune
    • Yuji AraiKunio KondoNobuyuki Hisamune
    • C21D9/08C22C38/00C22C38/04
    • C22C38/005C21D8/105C21D9/08C22C38/001C22C38/04C22C38/06C22C38/12Y10S148/909
    • A seamless steel pipe for line pipe having a high strength and good toughness and corrosion resistance even though having a thick wall has a chemical composition comprising, in mass percent, C: 0.02-0.08%, Si: at most 0.5%, Mn: 1.5-3.0%, Al: 0.001-0.10%, Mo: greater than 0.4% to 1.2%, N: 0.002-0.015%, Ca: 0.0002-0.007%, and a remainder of Fe and impurities, wherein the contents of the impurities are at most 0.03% for P, at most 0.005% for S, at most 0.005% for O and less than 0.0005% for B and wherein the value of Pcm calculated by the following Equation (1) is at least 0.185 and at most 0.250. The steel pipe has a microstructure which primarily comprises bainite and which has a length of cementite of at most 20 micrometers: Pcm=[C]+[Si]/30+([Mn]+[Cr]+[Cu])/20+[Mo]/15+[V]/10+5[B]  (1) wherein [C], [Si], [Mn], [Cr], [Cu], [Mo], [V] and [B] are numbers respectively indicating the content in mass percent of C, Si, Mn, Cr, Cu, Mo, V and B.
    • 即使具有厚壁,也具有高强度,良好的韧性和耐腐蚀性的线管用无缝钢管,其化学成分的质量百分比含有C:0.02〜0.08%,Si:0.5%以下,Mn:1.5 -3.0%,Al:0.001-0.10%,Mo:大于0.4%-1.2%,N:0.002-0.015%,Ca:0.0002-0.007%,余量为Fe和杂质,杂质含量为 P最多为0.03%,S为0.005%以下,O为0.005%以下,B为0.0005%以下,其中,通过下述式(1)计算出的Pcm值为0.185以上且0.250以下。 钢管具有主要包括贝氏体并且具有至多20微米的渗碳体长度的微结构:<?在线公式描述=“在线公式”end =“lead”?> Pcm = [C] + [Si] / 30 +([Mn] + [Cr] + [Cu])/ 20+ [Mo] / 15 + [V] / 10 + 5 [B](1) 其中[C],[Si],[Mn],[Cr],[Cu],[Mo],[V]和[B]分别表示 C,Si,Mn,Cr,Cu,Mo,V和B的质量含量。