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Número de publicaciónCN105925838 A
Tipo de publicaciónSolicitud
Número de solicitudCN 201610406730
Fecha de publicación7 Sep 2016
Fecha de presentación29 Nov 2013
Fecha de prioridad29 Nov 2013
También publicado comoCN103643079A, CN103643079B, CN105803253A, CN105803253B
Número de publicación201610406730.0, CN 105925838 A, CN 105925838A, CN 201610406730, CN-A-105925838, CN105925838 A, CN105925838A, CN201610406730, CN201610406730.0
Inventores李国升
Solicitante国网河南省电力公司平顶山供电公司
Exportar citaBiBTeX, EndNote, RefMan
Enlaces externos:  SIPO, Espacenet
Production technology for alloy
CN 105925838 A
Resumen
The invention discloses a production technology for an alloy. The alloy is used for a high-power power generator rotor slot wedge and comprises, by weight percent, 2.2 Wt%-2.4 Wt% of Ni, 0.32 Wt%-0.36 Wt% of Cr, 0.55 Wt%-0.60 Wt% of Si, 0.02 Wt%-0.03 Wt% of P and the balance Cu. The technology comprises smelting, casting, solid solution treatment and ageing strengthening. According to the technology, component matching control, technology optimization and multi-phase strengthening conduction are achieved, and the electric conductivity of the obtained alloy material is 62%-65% IACS; at the temperature of 500 DEG C, the tensile strength of the obtained alloy material ranges from 689 MPa to 692 MPa, and the yield strength of the obtained alloy material ranges from 644 MPa to 647 MPa; and the electric conductivity is high, the high-temperature resistance is good, the service life is long, and the using requirement of the alloy for the high-power power generator rotor slot wedge can be met. Meanwhile, the technology is simple, the production cost is low, pollution to the environment is small, and very good market prospects and economic benefits are achieved.
Reclamaciones(1)  traducido del chino
1. 一种合金的生产工艺,其特征在于:该合金用于大功率发电机转子槽楔,所述合金的成分及其含量(wt%)包括:Ni 2.2~2.4、Cr 0.32~0.36、Si 0.55~0·60、Ρ 0.02~0.03、 Cu:余量;包括以下步骤: ① 熔炼:先将电解铜预热至250~280°C,再装入低频感应炉中,开始熔化时加入覆盖剂,使覆盖厚度达1.2~1.4mm,全部熔化后加入占铜质量0.5~0.7%的磷铜作为脱氧剂,进行扒渣,补充覆盖剂后,综合考虑各元素的理化性质,将Si、P、Ni、Cr按常规工艺依此加入铜熔体中,保温15min出炉; ② 浇铸:采用常规连续铸造工艺,水压机上锻压成坯; ③ 固溶处理:在940~960°C下热处理1.5h再进行水淬处理,冷乳使合金产生60%冷变形; ④ 时效强化:再将铸坯加热至460~480°C保温2.5h后,机械加工成所需形状;所述覆盖剂的成分及其含量(Wt%)为:50%木炭、30%碎玻璃、10%NaCl、10%CaF 2。 An alloy production process, characterized in that: the alloy is used for high-power generating rotor slot wedges, the composition of the alloy and its content (wt%) comprising: Ni 2.2 ~ 2.4, Cr 0.32 ~ 0.36, Si 0.55 ~ 0 · 60, Ρ 0.02 ~ 0.03, Cu: balance; comprising: ① From smelting: first electrolytic copper preheated to 250 ~ 280 ° C, and then into the low-frequency induction furnace, covering agent is added at the beginning of melt after the covering thickness of 1.2 ~ 1.4mm, accounting for all melted copper is added 0.5 to 0.7% by mass of phosphor bronze as a deoxidizer, a slag, covering agent added, considering the physical and chemical properties of each element, the Si, P, ni, Cr and so according to a conventional process was added copper melt, baked incubated 15min; ② casting: conventional continuous casting process, a hydraulic press forged into a billet; ③ solution treatment: 1.5h then heat treated at 940 ~ 960 ° C quenched in water, the alloy cooled milk to produce 60% cold deformation; ④ age hardening: heating the slab and then to 460 ~ 480 ° C after 2.5h, incubated machined into a desired shape; components and their contents in the coating agent (Wt%) of: 50% charcoal, 30% cullet, 10% NaCl, 10% CaF 2.
Descripción  traducido del chino

-种合金的生产工艺技术领域本发明属于发电机转子槽模材料生产技术领域,具体设及一种大功率发电机转子槽模用合金的生产工艺。 - Production Process TECHNICAL FIELD The present invention pertains to an alloy produced technical field generator rotor slot die material, in particular of an electric generator and a rotor provided with a slot-die power alloy production process. 背景技术发电机转子槽模要承受转子运转时槽内铜线、绝缘件及自身巨大的离屯、力,电流流经槽模会产生较高的溫升,生产转子槽模时需要使用导电率高、耐高溫性能优良的合金材料。 BACKGROUND generator rotor slot die is subjected to the operation of the rotor slots copper, and the insulating member from the village itself great force, the current flowing through a slot die results in a higher temperature rise, the production of electrical conductivity required rotor slot die high alloy material excellent in high temperature performance. 申请号为200510123011的专利《大容量汽轮发电机转子铜合金槽模及其制备方法》中, 合金成分为:Ni :1.35 ~2.05% ,Si :0.40 ~0.80 %,灯:0.05 ~0.25% ,Be :0.15 ~0.40%, 化:余量;生产工艺主要采用920~980°C固溶处理,35~50 %冷变形,450~500°C保溫4~化时效处理,空冷。 Patent Application No. 200510123011 "bulk copper alloy Turbogenerator slot die and its preparation method ', the alloy composition of: Ni: 1.35 ~ 2.05%, Si: 0.40 ~ 0.80%, Light: 0.05 to 0.25%, Be: 0.15 ~ 0.40%, of: balance; production process mainly 920 ~ 980 ° C solution treatment, 35% to 50% cold deformation, 450 ~ 500 ° C heat treatment and aging - 4, air cooling. 该技术方案中,Be价格高,且影响合金的高溫稳定性,使合金不宜长时间承受高溫工作,同时添加Be的合金产生的粉尘会有毒;合金中Ni、Si的质量配比在2.5~3.5左右,Si含量相对偏高,只有一部分Si形成NisSi析出相,剩余的Si W固溶态存在,严重影响合金的导电率;所得合金导电率仅为49 % IACS,寿命短,且耐高溫性能未知。 This aspect, Be high price, and affect the temperature stability of the alloy, the alloy should not be subjected to high temperature for a long time, while adding Be alloys will generate toxic dust; alloy, Ni, Si mass ratio of 2.5 to 3.5 left, relatively high Si content, only a portion formed NisSi Si precipitates, the remaining W is Si present in solid solution state, seriously affect the conductivity of the alloy; conductive alloy obtained was only 49% IACS, short life, high temperature performance and unknown . 申请号为200510038051.4的专利《汽轮发电机转子槽模用铁青铜及其加工工艺》中,铁青铜采用无钻无错设计,其成分为:Be :0.1~0.3% ,Ni: 1.5~2.5%、Ti :0.4~0.6%、Cu:余量,所得合金导电率仅为47 % IACS,高溫(427 °C)屈服强度480~550MPa,抗拉强度540~630M化,工作寿命短,无法满足大功率发电机长时间运转的需求。 Patent Application No. 200510038051.4 "Turbine Rotor slot-die processing iron and bronze", the iron-free drilling bronze error-free design, having a composition of: Be: 0.1 ~ 0.3%, Ni: 1.5 ~ 2.5% , Ti: 0.4 ~ 0.6%, Cu: balance, resulting conductive alloy was only 47% IACS, a high temperature (427 ° C) yield strength of 480 ~ 550MPa, a tensile strength of 540 ~ 630M, short working life, can not meet the large demand for long-term operation of power generators. 发明内容本发明是为了弥补上述不足,并对成分配比和生产工艺进行改进,提供一种合金的生产工艺,该合金用于大功率发电机转子槽模,导电率高,耐高溫性能好,寿命长,能满足大功率发电机转子槽模用合金的使用要求,同时工艺简单,生产成本低,对环境污染小,具有较好的市场前景和经济效益。 The present invention is to remedy the aforementioned shortcomings, and the composition ratio and production process improvements, there is provided a process for the production of alloy, the alloy for good power generator rotor slot die, high conductivity, high temperature performance, long life, be able to meet the power requirements of the generator rotor slot die alloy, while the process is simple, low cost, small environmental pollution, has a good market prospect and economic benefits. 一种合金的生产工艺,该合金用于大功率发电机转子槽模,所述合金的成分及其含量(胖1%)包括:化2.2~2.4、化0.32~0.36、510.55~0.60、? Components and their contents production process of an alloy, the alloy is used in high power generator rotor slot die, said alloy (1% fat) comprising: of 2.2 to 2.4, of 0.32 to 0.60 ~ 0.36,510.55 ,? 0.02~0.03、〇1:余量;包括W下步骤: ① 烙炼:先将电解铜预热至250~280°C,再装入低频感应炉中,开始烙化时加入覆盖剂,使覆盖厚度达1.2~1.4mm,全部烙化后加入占铜质量0.5~0.7 %的憐铜作为脱氧剂,进行化渣,补充覆盖剂后,综合考虑各元素的理化性质,将Si、P、Ni、化按常规工艺依此加入铜烙体中,保溫15min出炉; ② 诱铸:采用常规连续铸造工艺,水压机上锻压成巧; ③ 固溶处理:在940~960°C下热处理1.化再进行水泽处理,冷社使合金产生60 %冷变形; ④ 时效强化:再将铸巧加热至460~480°C保溫2.化后,机械加工成所需形状;所述覆盖剂的成分及其含量(Wt%)为:50%木炭、30%碎玻璃、10%NaCl、10%CaF2。 0.02 to 0.03, 〇1: balance; comprising the W: ① From branded Lian: first electrolytic copper preheated to 250 ~ 280 ° C, and then into the low-frequency induction furnace, covering agent is added at the beginning of the bake, the covering the thickness of 1.2 ~ 1.4mm, accounting for all the branding of the copper mass is added 0.5 to 0.7% of copper as a deoxidizer pity, for slag, covering agent added, considering the physical and chemical properties of each element, the Si, P, Ni, of copper added by conventional technology so branded body, and incubated 15min released; ② induced cast: a conventional continuous casting process, into the hydraulic press forging Qiao; ③ solution treatment: 1. the heat treatment of at 940 ~ 960 ° C then Mizusawa treatment, the alloy produced cold community 60% cold deformation; ④ aging treatment: Qiao then cast ~ after heating to 480 [deg.] C incubation 460 of 2, machined into a desired shape; components and their contents in the coating agent (Wt%) of: 50% charcoal, 30% cullet, 10% NaCl, 10% CaF2. 本技术方案中,在成分配比方面,Cr可W提高合金的电导性,形成&3Si相影响合金的高溫稳定性,并能一定程度上抑制固溶处理期间合金的晶粒长大;因为铜基中Be与NisSi具有类似的机械性能,因此,可适当提高NisSi的含量,获得更好的热稳定性和高溫强度,配比Ni和Si的质量百分含量分别在2.2~2.6%、0.55~0.65%,避免合金中含有固溶态Si,从而提高了合金的强度和导电率,既确保合金的性能,降低了生产成本,又减少了污染;而加入化后,化将比Ni、Si先溶于化中,使基体处于饱和状态,在一定程度上提高了NisSi相的析出量,基体中Ni、Si含量减少,减少了基体中晶格崎变的程度,提高了合金的导电率;使合金含有质量百分含量为0.02~0.03 %的P,是为了在不会使合金产生明显晶格崎变的基础上,产生M3P沉淀强化相,进一步提高合金的显微硬度和抗拉强度,并一定程度 This aspect, in terms of composition ratio, Cr W can increase the conductivity of the alloy, is formed with & 3Si effect of high temperature stability of the alloy, and the alloy can be suppressed during the crystal grains grow to a certain extent solution treatment; for copper It is in the NisSi having similar mechanical properties, therefore, can appropriately increase the content of NisSi, better heat stability and high temperature strength, the ratio of the mass percentage of Ni and Si 2.2 to 2.6%, respectively, 0.55 to 0.65 %, the solution contained in the alloy to avoid the state Si, thereby increasing strength and electrical conductivity of the alloy, both to ensure the performance of the alloy, reduce production costs, and reducing pollution; and after addition of, than of Ni, Si before melting in technology in the matrix is saturated, improve the precipitation amount NisSi phase to some extent, to reduce the matrix Ni, Si content, reducing the degree of lattice of distortion matrix, to improve the conductivity of the alloy; alloy containing mass percentage of 0.02 to 0.03% of P, not in the alloy to significant variations based on the lattice Kawasaki, M3P produce precipitation strengthening phase, and to further improve the hardness and the tensile strength, and must degree 上抑制析出相的长大,使合金基体得到纯化,导电率提高。 Inhibited precipitates grow, the alloy matrix to give purified improve conductivity. 合金烙炼时,选用低频感应炉降低铜合金的烙炼消耗,电解铜加入炉中前先预热,将Si、P、Ni、Cr按顺序烙化,合理的装炉和烙化顺序有效地缩短烙化时间,覆盖剂质量配比选用50 %木炭、30 %碎玻璃、10 %化Cl、10 %化F2,该覆盖剂铺展性好,合金烙炼时能全面覆盖液态金属液面,与烙渣的亲和力强,具有极好的净化液态金属、细化合金的能力,使烙体得到适当保护并获得较佳的烙炼气氛;加入0.5~0.7 %的憐铜作为脱氧剂,能够有效去除烙体里的氧粒子,有效提高合金的质量和成品率。 When baked refining alloy, the choice of the low-frequency induction furnace reduction refining copper alloy branded consumption preheated prior to addition of the electrolytic copper furnace, Si, P, Ni, Cr branded sequence of reasonable order of installed furnace and baked effectively shortening the time of the bake, the choice of coating agent mass ratio of 50% charcoal, 30% cullet, 10% of CI and 10% of F2 of, good spreadability of the coating agent, to fully cover the liquid surface of the liquid metal alloy branded refining, and branded strong affinity slag, a liquid metal having an excellent purifying ability to refine the alloy, so that adequate protection body is baked and baked to obtain better refining atmosphere; 0.5 to 0.7% by pity copper as a deoxidizer, can be effectively removed branded oxygen particles in the body, improve the quality and yield of the alloy. 对铸巧采用高溫固烙泽火处理、中溫时效处理析出沉淀硬化合金的方法,该方法生产工艺简单,便于合金便于进行大规模生产。 Qiao solid casting of high temperature bake process Ze fire, the temperature aging precipitation hardening alloys precipitation method, the production process is simple, easy to alloy facilitates mass production. 固溶处理时的处理溫度W合金不产生晶粒粗大为前提,尽量提高溫度,保溫一定时间后快冷,保证析出相的溶质元素在基体中达到最大的固溶度。 The treatment temperature during solution treatment W alloy coarse grains does not occur as small as possible while increasing the temperature, rapid cooling after a certain incubation time, the precipitates solute elements to ensure the maximum solid solubility in the matrix. 当在940~960°C下热处理1.化再进行水泽处理,大量过剩相溶解,得到过饱和固溶体,冷社使合金产生较大的冷变形,合金基体发生再结晶,使基体内部产生大量位错,合金的亚结构得到细化,但运种形变强化对铜合金的强度贡献有限,需要时效处理进一步强化, 经460~480°C保溫2.化的时效处理,合金元素呈弥散分布的沉淀相相,且沉淀得到硬化,使合金取得最佳的性能。 When at 940 ~ 960 ° C heat treatment 1. of further Mizusawa process, a large excess relative to dissolve, to obtain a supersaturated solid solution, cooled agency of the alloy by the large cold deformation, the alloy matrix recrystallization, the internal base to produce a number of bit wrong, substructures alloy is refined, but the kind of deformation strengthening transport limited contribution to the strength of the copper alloy, it is necessary to further strengthen the aging treatment, after the insulation 460 ~ 480 ° C 2 of the aging treatment, the alloying elements form precipitation of dispersed phase, and the precipitate hardening of the alloy to achieve the best performance. 本技术方案是在常规工艺的基础上,通过优化多元合金组成、添加微量元素、控制成分配比W提高合金的强度,并且尽可能地避免或减少对合金导电率的不良影响,进行多相强化,所得合金材料,室溫下,抗拉强度796~798M化,屈服强度734~737M化,延展率17.9~ 18.2 %,导电率62~65 % IACS; 500°C下,抗拉强度689~692MPa,屈服强度644~647MPa,导电率高,耐高溫性能好,寿命长,确保了大功率发电机的安全可靠性。 This aspect is based on the conventional process, by optimizing the alloy composition polyol, adding trace elements, controlling the alloy composition ratio of W to improve the strength, and as far as possible to avoid or reduce adverse effects on alloy conductivity, reinforcing multiphase , the resultant alloy at room temperature, a tensile strength of 796 ~ 798M, a yield strength of 734 ~ 737M, 17.9 ~ 18.2% elongation, conductivity 62 ~ 65% IACS; at 500 ° C, a tensile strength of 689 ~ 692MPa , yield strength of 644 ~ 647MPa, high conductivity, high temperature performance, long life, to ensure the safety and reliability of high-power generator. 能满足大功率发电机转子槽模用合金的使用要求,显著提高了大功率发电机的安全可靠性,同时工艺简单,生产成本低,对环境污染小,具有较好的市场前景和经济效益。 Can meet the power requirements of the generator rotor slot die with the alloy, significantly improves the safety and reliability of the power generator, while the process is simple, low cost, small environmental pollution, has a good market prospect and economic benefits. 具体实施例实施例一制备一种大功率发电机转子槽模用合金,各组合金的成分及其含量(化%)包括:2.2% Ni、0.32%Cr、0.55%Si、0.02%P、Cu:余量; 所述大功率发电机转子槽模用合金的生产工艺,包括W下步骤: ①烙炼:先将电解铜预热至25(TC,再装入低频感应炉中,开始烙化时加入覆盖剂,覆盖剂质量成分包括50 %木炭、30 %碎玻璃、10 %化Cl、10 %化F2,使覆盖厚度达1.2mm,全部烙化后加入占铜质量0.5%的憐铜作为脱氧剂,进行化渣,补充覆盖剂后,综合考虑各元素的理化性质,将Si、P、Ni、Be、化按常规工艺依此加入铜烙体中,保溫15min出炉; ② 诱铸:采用常规连续铸造工艺,水压机上锻压成巧; ③ 固溶处理:在940°C下热处理1.化再进行水泽处理,冷社使合金产生60 %冷变形; ④ 时效强化:再将铸巧加热至460°C保溫2.化后,机械加工成所需形状。 经检测,合金性能如 DETAILED EXAMPLES Example a preparation of a generator rotor slot die alloy power, a combination of each component and the content of gold (% of) comprises: 2.2% Ni, 0.32% Cr, 0.55% Si, 0.02% P, Cu : balance; the power production process of the generator rotor slot die alloy, comprising the W: ① From branded Lian: first preheated to electrolytic copper 25 (TC, and then into the low-frequency induction furnace, the start of branded when the coating agent is added, the quality of coating agent component comprises 50% charcoal, 30% cullet, 10% of CI and 10% of the F2 of, the covering thickness of 1.2mm, was added after all of the baked mass accounted for 0.5% of copper as copper pity deoxidizer, a slag, after covering agent added, considering the physical and chemical properties of each element, the Si, P, Ni, be, according to the conventional process of copper was added so branded body, and incubated 15min released; ② induced cast: using conventional continuous casting process, a hydraulic press forging into coincidence; ③ solution treatment: thermal treatment at 940 ° C of 1. Mizusawa further treatment, to produce the alloy cold community 60% cold deformation; ④ age hardening: and then heated to cast Qiao 2. after incubation of 460 ° C, machined into the desired shape. after testing, alloy properties such as 表所示: 实施例二 Table: Example two

Figure CN105925838AD00051

制备一种大功率发电机转子槽模用合金,各组合金的成分及其含量OVt % )包括:2.4% Ni、0.36%Cr、0.60%Si、0.03%P、Cu:余量; 所述大功率发电机转子槽模用合金的生产工艺,包括W下步骤: ① 烙炼:先将电解铜预热至265 °C,再装入低频感应炉中,开始烙化时加入覆盖剂,覆盖剂质量成分包括50 %木炭、30 %碎玻璃、10 %化Cl、10 %化F2,使覆盖厚度达1.3mm,全部烙化后加入占铜质量0.6%的憐铜作为脱氧剂,进行化渣,补充覆盖剂后,综合考虑各元素的理化性质,将Si、P、Ni、Be、化按常规工艺依此加入铜烙体中,保溫15min出炉; ② 诱铸:采用常规连续铸造工艺,水压机上锻压成巧; ③ 固溶处理:在950°C下热处理1.化再进行水泽处理,冷社使合金产生60 %冷变形; ④ 时效强化:再将铸巧加热至470°C保溫2.化后,机械加工成所需形状。 Preparing a mold with an alloy rotor slot power generators, each combination of gold and component content OVt%) comprising: 2.4% Ni, 0.36% Cr, 0.60% Si, 0.03% P, Cu: the balance; said large rotor power production process with a slot die alloy, comprising the W: ① From branded Lian: first electrolytic copper preheated to 265 ° C, and then into the low-frequency induction furnace, covering agent is added at the beginning of branded, coating agent mass composition comprises 50% charcoal, 30% cullet, 10% of CI and 10% of the F2 of, the covering thickness of 1.3mm, accounting for all the branding of copper added 0.6% by mass of copper as a deoxidizer pity, for slag, added after covering agent, considering the physical and chemical properties of each element, the Si, P, Ni, be, of the conventional process so cupric branded body, and incubated 15min released; ② induced cast: a conventional continuous casting process, a hydraulic press forging into coincidence; ③ solution treatment: thermal treatment at 950 ° C of 1. Mizusawa further treatment, to produce the alloy cold community 60% cold deformation; ④ aging treatment: casting Qiao then heated to 470 ° C incubation of 2 after machining to the desired shape. 经检测,合金性能如下表所示: 实施例= After testing, the alloy properties shown in the following table: Example =

Figure CN105925838AD00052

制备一种大功率发电机转子槽模用合金,各组合金的成分及其含量(化%)包括:2.6% Ni、0.40%Cr、0.65%Si、0.03%P、Cu:余量; 所述大功率发电机转子槽模用合金的生产工艺,包括W下步骤: ①烙炼:先将电解铜预热至280°C,再装入低频感应炉中,开始烙化时加入覆盖剂,覆盖剂质量成分包括50 %木炭、30 %碎玻璃、10 %化Cl、10 %化F2,使覆盖厚度达1.4mm,全部烙化后加入占铜质量0.7%的憐铜作为脱氧剂,进行化渣,补充覆盖剂后,综合考虑各元素的理化性质,将Si、P、Ni、Be、化按常规工艺依此加入铜烙体中,保溫15min出炉; ② 诱铸:采用常规连续铸造工艺,水压机上锻压成巧; ③ 固溶处理:在960°C下热处理1.化再进行水泽处理,冷社使合金产生60 %冷变形; ④ 时效强化:再将铸巧加热至480°C保溫2.化后,机械加工成所需形状。 Preparing a mold with a generator rotor slot alloy power, a combination of each component and the gold content (% of) comprises: 2.6% Ni, 0.40% Cr, 0.65% Si, 0.03% P, Cu: balance; the production process of high-power generator rotor slot die alloy, comprising the W: ① From branded Lian: first electrolytic copper preheated to 280 ° C, and then into the low-frequency induction furnace, covering agent is added at the beginning of the bake, covered agent component comprises 50% by mass of charcoal, 30% cullet, 10% of CI and 10% of the F2 of, the covering thickness of 1.4mm, accounting for all the branding of copper added 0.7% by mass of copper as a deoxidizer pity, for slag , added after coating agent, considering the physical and chemical properties of each element, the Si, P, Ni, be, of the conventional process so cupric branded body, and incubated 15min released; ② induced cast: a conventional continuous casting process, a hydraulic press Qiao into the forging; ③ solution treatment: 1. the heat treatment of Mizusawa then treated at 960 ° C, cooling the alloy to produce 60% of community cold deformation; ④ aging treatment: casting Qiao then heated to 480 ° C for 2. of the, machined into the desired shape.

[OOU] 经检测,合金性能如下表所示: [OOU] After testing, the alloy properties as follows:

Figure CN105925838AD00061

由上述S个买施例巧明,乂用本巧不万茶,所得甘盆柯科,至温h,抗拉强度796~ 798MPa,屈服强度7:34~737MPa,延展率17.9~18.2%,导电率62~65%14〔5;500°(:下,抗拉强度689~692MPa,屈服强度644~647MPa,导电率高,耐高溫性能好,寿命长,能满足大功率发电机转子槽模用合金的使用要求,确保了大功率发电机的安全可靠性。 Buy by the embodiments of S How Ming, qe with this clever not Wan tea pots Ke Ke resulting Gan, H to temperature, a tensile strength of 796 ~ 798MPa, yield strength 7: 34 ~ 737MPa, elongation of 17.9 - 18.2%, conductivity of 62 to 65% [14 5; 500 ° (:, the tensile strength of 689 ~ 692MPa, a yield strength of 644 ~ 647MPa, high conductivity, high temperature performance, long life, be able to meet the power generator rotor slot die with the requirements of the alloy, to ensure the safety and reliability of high-power generator.

Citas de patentes
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Otras citas
Referencia
1 *孙爱俊等: ""新型槽楔合金CuNiCrSi合金时效析出与时效相变动力曲线研究"", 《农业装备技术》
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Clasificaciones
Clasificación internacionalC22F1/08, C22C9/06, C22C1/06, C22C1/02
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