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    • 4. 发明专利
    • Inoculating method in casting
    • 铸造中的配合方法
    • JPS59137157A
    • 1984-08-07
    • JP931383
    • 1983-01-25
    • Toshiba Corp
    • TAMIYA MASAHARUKURITA KAZUHIROAZUMA KATSUHISA
    • B22D1/00C21C1/10
    • C21C1/10B22D1/00
    • PURPOSE:To obtain an excellent inoculating effect and to prevent defect owing to intrusion of foreign matter by melting an inoculant to be added in the stage of casting in a high speed melting furnace different from the same furnace for cast iron, and mixing the same in the form of liquid with the cast iron in the stage of casting the same. CONSTITUTION:A high speed melting furnace 6 for melting an inoculant tilts in synchronization with the tilting of a ladle 4, and the molten inoculant 7 is cast along the flow of the molten metal 3 charged from a ladle 4 into a casting mold 1. The molten inoculant 7 is admitted in the state of being still partly suspended as an uneven concn. in the molten metal into the cavity of the casting mold and therefore a remarkable effect of inoculation is provided in this stage. Since the inoculant 7 is added in the state of liquid, the intrusion of the undissolved material is obviated completely.
    • 目的:为了获得优异的接种效果,并且通过在不同于铸铁炉的高速熔融炉中熔化在铸造阶段中加入的孕育剂来防止异物侵入引起的缺陷,并将其混合在 液体与铸铁在铸造阶段的形式相同。 构成:用于熔化接种物的高速熔化炉6与浇包4的倾斜同步地倾斜,并且熔融的孕育剂7沿着从浇包4装入铸模1的熔融金属3的流动被铸造。 熔融孕育剂7以部分悬浮状态进入不均匀浓度。 在熔融金属进入铸模的腔体中,因此在该阶段提供了显着的接种效果。 由于孕育剂7以液体的状态加入,所以不溶物的侵入被完全消除。
    • 5. 发明专利
    • Manufacture of spheroidal graphite cast iron with superior elongation and shock resistance
    • 具有超高强度和抗震性能的石墨石墨铸铁制造
    • JPS59133310A
    • 1984-07-31
    • JP758683
    • 1983-01-20
    • Nippon Steel Corp
    • MEGURO MASARUSUZUKI ATSUNOBU
    • C21C1/10
    • C21C1/10
    • PURPOSE:To obtain spheroidal graphite cast iron with superior elongation and shock resistance by treating molten metal under a specified reduced pressure before carrying out spheroidizing. CONSTITUTION:Molten metal for spheroidal graphite cast iron having a conventional chemical composition is treated under 0.1-30Torr reduced pressure in a high frequency induction furnace for vacuum melting. Spheroidizing and inoculation are then carried out to manufacture spheroidal graphite cast iron. By the treatment under reduced pressure, Mn and N as elements hindering ferrite formation and S and O as elements hindering spheroidizing are removed to improve the elongation and shock resistance, and the characteristics are considerably improved by reducing traces of impure elements and impure gases which are chemically unanalyzable.
    • 目的:通过在进行球化之前,在规定的减压条件下处理熔融金属,获得具有优异伸长率和抗震性能的球墨铸铁。 构成:具有常规化学成分的球墨铸铁的熔融金属在0.1-30Torr减压下在高频感应炉中进行真空熔融处理。 然后进行球化和接种以制造球墨铸铁。 通过减压处理,除去作为阻碍铁素体形成的元素的Mn和N,并且除去作为妨碍球化的元素的S和O以提高伸长率和抗冲击性,并且通过减少痕量的不纯元素和不纯气体来显着改善特性, 化学不可分析。
    • 6. 发明专利
    • Inoculation mechanism of cast iron
    • 铸铁机制
    • JPS58213813A
    • 1983-12-12
    • JP1519583
    • 1983-01-31
    • Seishi TachibanaShunji Tachibana
    • TACHIBANA SEISHITACHIBANA SHIYUNJI
    • C21C1/10
    • C21C1/10
    • PURPOSE:To complete the matching of the micro electron configuration of molten iron around fine particles upon killing of the molten iron after matching of the electron configuration of the molten iron in the 1st stage by matching the electron configuration of the molten iron in the 1st stage at the point of the time when the fine particles of the product of reaction between the molten iron and an inculant are distributed uniformly. CONSTITUTION:The micro electron configuration around the effective product of reaction distributed in molten iron is shown as follows in the model figure: The effective product 1 of reaction distributed in the molten iron according to killing of said iron forms 2-9 having differences in electron valency on the product 1 so as to enclose the same in accordance with the electron valancy that said products possesses for the stability of the structure. These electrons constitute one stable molecular structure and the matching of the micro electron configuration in said part is completed. Since the molecular structure acts as a nucleus for a eutectic cell, the inoculation effect of cast iron is obtained by the above-described matching of the micro electron configuration.
    • 目的:在第一阶段通过匹配第一阶段铁水的电子结构,使第一阶段铁水的电子结构匹配后,完成铁水周围细铁粒微电子配置的匹配, 在铁水和混合物之间的反应产物的细颗粒均匀分布的时间点。 构成:分布在铁水中的有效反应产物周围的微电子结构如下图所示:根据所述铁形式的有效产物1分布在铁水中,形成2-9具有不同的电子 以产品1的价态,以便根据所述产品具有的结构的稳定性的电子价值将其包围。 这些电子构成一个稳定的分子结构,并且完成所述部分中的微电子构型的匹配。 由于分子结构作为共晶细胞的核,因此通过微电子结构的上述匹配获得铸铁的接种效果。
    • 7. 发明专利
    • Horizontal continuous casting method of cast iron
    • 铸铁水平连续铸造方法
    • JPS58193308A
    • 1983-11-11
    • JP7575382
    • 1982-05-06
    • Nippon Steel Corp
    • MEGURO MASARUKODAMA JIYUNICHIOKA ISAOITOU ISAOSUZUKI KIYOSHI
    • B22D11/04B22D11/10B22D11/108C21C1/08C21C1/10
    • C21C1/10
    • PURPOSE:To prepare a thin cast iron piece reduced in surface defect and structural irregularity and having good quality, by a method wherein a Sc value, a Si amount, a S amount and a Mn amount in chemical components are specified and molten iron having a seed charge such as an Fe-Si alloy inoculated therein within a laddle is subjected to horizontal continuous casting. CONSTITUTION:In the chemical components of molten iron to be subjected to continuous casting, a Sc value is adjusted to 0.99-1.08%, Si to 3.1-3.3%, S to 0.020-0.060% and Mn to S%X1.7divided by 0.3% while a seed charge such as a Fe-Si alloy or a Ca-Si alloy based on Si is innoculated in the above mentioned molten iron within a laddle to prepare a cast iron piece having a cross area shape wherein the ratio of a long side to a short side (a flatness ratio) is 4 or more and the length of the short side is 25mm. or less according to a horizontal continuous casting method. By this method, a cast iron plate completely free from a cementite crystal in the corner part and the end surface part thereof, having a chill depth of about 3mm. or less at the corner part thereof in a 45 deg. direction, reduced in defect and having good quality can be obtained.
    • 目的:为了制备表面缺陷和结构不规则并且质量好的薄铸铁件,通过其中规定了Sc值,Si量,S量和Mn量在化学成分中的方法,并且具有 在鞍座内接种的Fe-Si合金等种子装料进行水平连续铸造。 构成:在连续铸造的铁水的化学成分中,Sc值调整为0.99-1.08%,Si为3.1-3.3%,S为0.020-0.060%,Mn为S%X1.7,除以0.3 %,而在鞍座内的上述铁水中接合诸如Fe-Si合金或基于Si的Ca-Si合金的种子充电被接合以制备具有横截面形状的铸铁件,其中长边 短边(平坦度比)为4以上,短边的长度为25mm。 或更低。 通过这种方法,在角部和其端面部分中完全没有渗碳体晶体的铸铁板具有约3mm的冷却深度。 或更小的角落部分。 方向,缺陷减少,质量好。
    • 10. 发明专利
    • 球状化剤固形物の製造法
    • 制造固化剂固体物质的方法
    • JP2014217853A
    • 2014-11-20
    • JP2013097882
    • 2013-05-07
    • 株式会社Jfs貿易Jfs Boeki:Kk
    • TANIGUCHI HIROTOSHI
    • B22D27/20B22D7/00C21C1/10
    • B22D27/20B22D7/00C21C1/10
    • 【課題】黒鉛球状化添加合金からなるインゴットに対する、従来の如き機械を用いた大掛かりな破砕工程を採用することなく、所望サイズの球状化剤固形粒子を、細粒粉の混入を可及的に回避しつつ、容易に且つ安価に製造することの出来る方法を提供すること。【解決手段】黒鉛球状化元素を含む球状化剤溶湯を形成する溶湯形成工程と、溶湯を成形型の成形キャビティ内に注湯する一方、成形キャビティ内面に設けられた突条によって、かかる溶湯の凝固にて成形される板状製品の少なくとも一方の表面に、所定深さの割溝32を形成して、所定大きさの分割領域34が多数形成されてなる固形の球状化剤板状製品30を得る成形工程と、球状化剤板状製品30に対して外力乃至は衝撃を加えて、割溝30の形成部位において分割し、目的とする大きさの球状化剤固形物とする分離工程とを含む方法により、製造する。【選択図】図4
    • 要解决的问题:提供一种能够容易且廉价地制造所需尺寸的球化固体颗粒的方法,同时最大程度地避免了细粒粉末的混入,而不采用使用常规机器的大规模破碎过程 由石墨球化添加合金构成的锭。解决方案:通过包括形成球化熔融金属的熔融金属形成工艺,包括石墨球化元件的方法制造球状体固体物质,提供固体球化剂的成型方法 通过在通过这样的熔融金属凝结而成形的板状产品的至少一个表面上形成预定深度的分割槽32,形成预定尺寸的大量分割区域34的板状产品30 提供在模制腔内表面上,同时将熔融金属注入模具的模制腔和分离 通过向球化板状产品30加上外力或冲击,通过在分割槽30的形成部分中分割来形成物体尺寸的球化固体物质的工序。