会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 12. 发明公开
    • 초음파 주조 장치
    • 通过超声波能量制造精细结构的装置
    • KR1020060031201A
    • 2006-04-12
    • KR1020040080120
    • 2004-10-07
    • 재단법인 포항산업과학연구원
    • 남궁정김문철이기안
    • B22D27/08
    • 본 발명은 상기와 같은 종래의 몰드 주조공정중 초음파 에너지 전달이 몰드 주조공정중 초음파 에너지 전달이 몰드에서 감쇄되지 않고 주조품내로 전달되게 함에 있어서 자유롭고 높은 주변온도 조건에서도 효과적으로 실시 될 수 있는 초음파 에너지 전달 방법을 개량하고 융융금속과 접촉하거나 침적되는 도파봉의 표면에 적절한 표면처리를 실시하여 융융금속과의 젖음성을 최소화하여 응고쉘이 도파봉 표면에 형성됨을 방지하고, 또한 고온용 초음파 발진자의 작동온도를 향상함으로서 주조공정중 유효온도한계를 향상시키고 효과적인 초음파 진동에너지를 주조품에 전달하여 주조품 상태에서 미세화 되고 균일한 조직을 얻는 방법을 제공 하고자 하는데 그 목적이 있다.
      본 발명은 상기 목적을 달성하기 위하여 금속계 자왜소자로 된 초음파 발진자와 초음파 발진자에서 발생되는 초음파를 전달하는 비자성 금속계 소재로 된 도파봉으로 구성된 초음파 주조 장치를 제공한다.
    • 14. 发明公开
    • 철-니켈-코발트계 저열팽창성 합금
    • 具有低热膨胀的Fe-Ni-Co基合金,具有防止在高温工作期间产生的表面缺陷的硼原子,如锻造和热轧
    • KR1020040107158A
    • 2004-12-20
    • KR1020030038049
    • 2003-06-12
    • 주식회사 세아창원특수강철강융합신기술연구조합재단법인 포항산업과학연구원주식회사 포스코
    • 이기안박종혁김문철조봉현남궁정
    • C22C38/00
    • PURPOSE: To provide a Fe-Ni-Co base Kovar alloy having low thermal expansion capable of improving hot workability and microstructure stability by adding a trace of boron(B) to the alloy. CONSTITUTION: The Fe-Ni-Co base alloy having low thermal expansion contains 28 to 30 wt.% of nickel(Ni), 15.5 to 18.5 wt.% of cobalt(Co), 0.05 to 0.5 wt.% of silicon(Si), 0.1 to 0.5 wt.% of manganese(Mn), and impurities of 0.006 wt.% or less of phosphorus(P), 0.05 wt.% or less of carbon(C), 0.15 wt.% or less of chromium(Cr), 0.10 wt.% or less of aluminum(Al), 0.4 wt.% or less of molybdenum(Mo) and 0.01 wt.% or less of sulfur(S), wherein the Fe-Ni-Co base alloy additionally contains 0.001 to 0.006 wt.% of boron(B).
    • 目的:提供具有低热膨胀性能的Fe-Ni-Co基Kovar合金,其能够通过向合金中加入痕量的硼(B)来改善热加工性和微结构稳定性。 构成:热膨胀率低的Fe-Ni-Co系合金含有镍(Ni)28〜30重量%,钴(Co)15.5〜18.5重量%,硅(Si)0.05〜0.5重量% ,0.1〜0.5重量%的锰(Mn),0.006重量%以下的磷(P),0.05重量%以下的碳(C),0.15重量%以下的铬(Cr ),0.10重量%以下的铝(Al),0.4重量%以下的钼(Mo)和0.01重量%以下的硫(S),其中Fe-Ni-Co基合金另外含有0.001 至0.006重量%的硼(B)。
    • 15. 发明授权
    • 대형 스텐레스 강괴 주조방법
    • 대형스텐레스강괴주조방법
    • KR100457235B1
    • 2004-11-16
    • KR1020010065153
    • 2001-10-22
    • 재단법인 포항산업과학연구원철강융합신기술연구조합주식회사 세아창원특수강주식회사 포스코
    • 남궁정김문철
    • B22D7/10
    • PURPOSE: A casting method of large stainless steel ingot is provided to reduce casting defects inside the steel ingot considering solidification characteristics of the stainless steel ingot during the solidification process of the steel ingot after injecting molten steel into a steel ingot mold. CONSTITUTION: The casting method of large stainless steel ingot (2) comprises the processes of manufacturing a mixed heat generating and reserving material (8) by mixing metal aluminum powder that is a heat generating source with porous thermal insulating material (9) as a heat generating and reserving material supplied onto the surface of a steel ingot hot-top (3) after filling molten steel into mold when casting a large stainless steel ingot; coating the manufactured mixed heat generating and reserving material on the surface of the molten steel filled into the mold (1); coating the porous thermal insulating material (9) on the mixed heat generating and reserving material; coating the mixed heat generating and reserving material (8) on the porous thermal insulating material; and coating the porous thermal insulating material on the mixed heat generating and reserving material again so that heat generating and reserving effects of the mixed heat generating and reserving material are extended.
    • 目的:考虑到钢锭在将钢水注入钢锭模后凝固过程中不锈钢锭的凝固特性,提供了一种大型不锈钢锭的铸造方法,以减少钢锭内部的铸造缺陷。 构成:大型不锈钢锭(2)的铸造方法包括通过将作为发热源的金属铝粉与多孔绝热材料(9)混合作为热量来制造混合发热和储存材料(8)的过程 当铸造大型不锈钢锭时,在将钢水充入铸模之后,产生并储存供应到钢锭热顶部(3)的表面上的材料; 将所制造的混合发热保存材料涂覆在填充到模具(1)中的钢水表面上; 将多孔绝热材料(9)涂覆在混合发热和储存材料上; 将混合发热保存材料(8)涂布在多孔绝热材料上; 再将多孔绝热材料涂布在混合发热保存材料上,使混合发热保存材料的发热保存效果延长。
    • 19. 发明公开
    • 대형강괴의 주조방법
    • 铸造大型钢铁的方法
    • KR1020010055784A
    • 2001-07-04
    • KR1019990057094
    • 1999-12-13
    • 재단법인 포항산업과학연구원철강융합신기술연구조합
    • 남궁정김문철도병무
    • B22D7/00
    • B22D7/10B22D7/12
    • PURPOSE: A method for casting a large scale steel ingot is provided to obtain a casting product of a large scale steel ingot having a target quality by applying a hot top to the large scale steel ingot and an insulating band to the upper part of the ingot, or a chill block or cooling apparatus to the lower part of a mold so as to control the solidification model inside the large scale steel ingot. CONSTITUTION: The method for casting a large scale steel ingot comprises the process of controlling a solidification model during solidification of a steel ingot by installing an insulating band (10) manufactured of a material having a heat conductivity of 1 W/m°K or less at the feeder part (2) and the upper part of a mold (1), thereby reducing casting defects. The method comprises the process of controlling a solidification model during solidification of a steel ingot by installing a chill block (20) manufactured of a material having a heat conductivity of 40 to 400 W/m°K at the lower part of a mold, thereby reducing casting defects. The method comprises the process of controlling a solidification model during solidification of a steel ingot by installing an insulating band manufactured of a material having a heat conductivity of 1 W/m°K or less at the feeder part and the upper part of a mold and installing a chill block manufactured of a material having a heat conductivity of 40 to 400 W/m°K at the lower part of a mold, thereby reducing casting defects.
    • 目的:提供一种用于铸造大型钢锭的方法,以通过向大型钢锭施加热顶和将绝热带施加到锭的上部来获得具有目标质量的大型钢锭的铸造产品 ,或冷却装置或冷却装置到模具的下部,以便控制大型钢锭内的凝固模型。 构成:用于铸造大型钢锭的方法包括通过安装由导热率为1W / m°K以下的材料制成的绝缘带(10)来控制钢锭凝固期间的凝固模型的过程 在进料器部分(2)和模具(1)的上部,从而减少铸造缺陷。 该方法包括通过在模具的下部安装由导热率为40〜400W / m·K的材料制成的冷却块(20),在钢锭固化期间控制凝固模型的工序,由此 减少铸造缺陷。 该方法包括在钢锭固化期间通过在模具的进料部分和上部安装导热率为1W / m·K以下的材料制造的绝缘带来控制钢锭的凝固过程, 在模具的下部安装由导热率为40〜400W / m·K的材料制成的冷却块,从而减少铸造缺陷。
    • 20. 发明公开
    • 내마모성이 우수한 초경밸브 타페트 제조방법
    • 用于生产超级耐蚀性的超级阀门的方法
    • KR1020000042147A
    • 2000-07-15
    • KR1019980058246
    • 1998-12-24
    • 재단법인 포항산업과학연구원
    • 김문철남궁정도병무
    • C23C4/12
    • C23C4/08B05B7/0006C23C4/126
    • PURPOSE: A method is provided to produce a super-light tappet having excellent abrasion resistance economically by simple processes. CONSTITUTION: A super-light tappet(3) having excellent abrasion resistance is produced by using steel and super-light alloy powder such as mixed alloy of WC alloy having 40-60 micrometer of particle size, WC-12%Co alloy and amorphous iron alloy as powder for spraying at a speed over 800m/sec. Super-light coating of excellent abrasion resistance is formed on a forcible valve tappet by an explosive oxy-fuel coating and by employing an explosive oxy-fuel coating. Thereby, a super-light valve tappet of excellent mechanical characteristic is produced economically.
    • 目的:提供一种通过简单的工艺经济地生产具有优异耐磨性的超轻型挺杆的方法。 构成:通过使用具有40-60微米粒径的WC合金,WC-12%Co合金和无定形铁的混合合金钢和超轻合金粉末制造具有优异耐磨性的超轻型挺杆(3) 合金粉末以超过800米/秒的速度喷涂。 通过爆炸性氧燃料涂层和采用爆炸性​​氧燃料涂层在强制阀挺杆上形成具有优异耐磨性的超轻涂层。 由此,经济地制造出具有优异的机械特性的超轻型阀挺杆。