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    • 3. 发明公开
    • 작고 미세하게 분산된 비금속 산화물 입자에 의해 분산강화된 금 미함유 백금 재료 및 그 제조 방법
    • 由金属氧化物的小型和精细分散的颗粒硬化的金不含铂金属分散体
    • KR1020020021996A
    • 2002-03-23
    • KR1020010056367
    • 2001-09-13
    • 베.체. 헤레우스 게엠베하 운트 코. 카게
    • 만하르트,하랄트룹톤,데이비드,프란씨스코크,불프
    • C22C5/04
    • C03B5/1675B22F2998/00B23K35/322C03B5/1672C22C5/04C22C32/0021C22F1/14Y10S75/951C22C1/1078
    • PURPOSE: A dispersion hardened platinum material is provided which requires a less manufacturing time in the oxidation treatment, and a new process is provided which can be used in performing the oxidation treatment within a considerably shortened time. CONSTITUTION: In a gold non-contained platinum material dispersion hardened by small and finely dispersed particles of base metal oxides, the gold non-contained platinum material is characterized in that the base metal is 0.01 to 0.5 wt.% of scandium, scandium having 0.05 to 0.5 wt.% of total base metal content, or mixture/alloy of one or more metals selected from the group consisting of zirconium, yttrium and cerium, wherein at least 75 wt.% of the base metal exists in an oxide form, oxides of the base metal are formed by heat treating platinum/base metal oxides in a dense shape in an oxidation medium in the temperature range of 600 to 1400 deg.C, and the gold non-contained platinum material is dispersion hardened platinum, dispersion hardened platinum-rhodium alloy, and dispersion hardened platinum-iridium alloy. In method for manufacturing a gold non-contained platinum material dispersion hardened by small and finely dispersed particles of base metal oxides, the method for manufacturing the gold non-contained platinum material comprises a melting step of platinum/base metal alloy; a casting step of the alloy; and an oxidation step by heat treatment of the alloy, wherein the base metal is 0.01 to 0.5 wt.% of scandium, scandium having 0.05 to 0.5 wt.% of total base metal content, or mixture/alloy of one or more metals selected from the group consisting of zirconium, yttrium and cerium.
    • 目的:提供一种分散硬化的铂材料,其需要在氧化处理中较少的制造时间,并且提供了可在相当短的时间内用于进行氧化处理的新方法。 构成:在由金属氧化物小的细颗粒硬化的金不含铂金属分散体中,金未含铂的材料的特征在于贱金属为钪的0.01〜0.5重量%,钪为0.05 至0.5重量%的总贱金属含量,或选自锆,钇和铈的一种或多种金属的混合物/合金,其中至少75重量%的贱金属以氧化物形式存在,氧化物 的贱金属通过在氧化介质中在600〜1400℃的温度范围内热处理致密形状的铂/贱金属氧化物而形成,并且不含金的铂金属是分散硬化的铂,分散硬化的铂 - 铑合金和分散硬化的铂 - 铱合金。 用于制造由基体金属氧化物的小分散细小颗粒硬化的金不含铂金属分散体的方法,所述金未包含的铂材料的制造方法包括铂/贱金属合金的熔融步骤; 合金的铸造步骤; 以及通过对所述合金进行热处理的氧化步骤,其中所述贱金属为钪的0.01〜0.5重量%,贱金属含量为0.05〜0.5重量%的钪或选自以下的一种以上的金属的混合物/ 该组由锆,钇和铈组成。
    • 6. 发明公开
    • 내화 구조 부재 상에 코팅을 제작하는 방법
    • 生产耐火结构构件涂料的方法
    • KR1020020014693A
    • 2002-02-25
    • KR1020010047259
    • 2001-08-06
    • 베.체. 헤레우스 게엠베하 운트 코. 카게
    • 콕,불프크뤼거,프랑크룹톤,다비드만하르트,하랄트메르커,위르겐
    • C03B5/42
    • C04B41/009C03B5/43C04B41/5122C04B41/88C23C24/10C04B41/0072C04B41/4535C04B41/455C04B41/5105C04B35/10C04B35/14C04B35/18C04B35/48
    • PURPOSE: Provided is a process for producing a coating on a refractory structural member, in which a noble metal alloy is applied as a coating material to the refractory structural member. CONSTITUTION: The process for producing a coating on a refractory structural member, comprises the steps of: applying a noble metal alloy to a refractory member as a coating material, wherein the noble metal alloy contains a noble metal with a melting point greater than 1,400 deg.C., the noble metal is at least one of platinum, iridium, rhodium, ruthenium and gold the noble metal alloy being used in powder form to coat the refractory member, the noble metal alloy gas a liquidus temperature(TL) of 900 deg.C. to 1,400 deg.C., the noble metal alloy contains 84-99.5 wt.% of noble metal and 0.5 -16 wt. % of the oxidizable substance including at least one of boron, phosphorus antimony and arsenic; heating the refractory structural member and the coating at least once in an oxygen-containing atmosphere to a temperature(T) that is at least equal to the liquidus temperature(TL) of the noble metal alloy; oxidizing the oxidizable substance during the heating step so as to form an oxide that is at least partially vaporized; maintaining the temperature(T) until a proportion of oxidizable substance in the coating is 70 wt.% or more of platinum and 30 wt.% or less of at least one of gold, iridium and rhodium.
    • 目的:提供一种在难熔结构件上制备涂层的方法,其中将贵金属合金作为涂层材料施加到耐火材料结构件上。 构成:在耐火结构构件上制造涂层的方法包括以下步骤:将贵金属合金施加到作为涂层材料的耐火构件上,其中贵金属合金含有熔点大于1400度的贵金属 贵金属是铂,铱,铑,钌和金中的至少一种,贵金属合金以粉末形式用于涂覆耐火构件,贵金属合金气体的液相线温度(TL)为900度 。C。 至1400℃,贵金属合金含有84-99.5重量%的贵金属和0.5-16重量%的贵金属。 %的可氧化物质包括硼,磷锑和砷中的至少一种; 将耐火结构构件和涂层在含氧气氛中加热至少一次至至少等于贵金属合金的液相线温度(TL)的温度(T); 在加热步骤期间氧化可氧化物质,以形成至少部分蒸发的氧化物; 保持温度(T)直到涂层中可氧化物质的比例为铂的70重量%或更多,以及金,铱和铑中的至少一种为30重量%以下。