一种钛镍铝钼高温合金材料

本发明公开了一种钛镍铝钼高温合金材料，该合金材料由50％～60％（原子分数，下同）的钛（Ti）、35％～50％的镍（Ni）、1％～15％的铝（A1）和0．5％～5％的钼（Mo）组成。该合金材料在室温屈服强度为1100～1900MPa，变形率大于10％；在高温600～800℃屈服强度为1150～350MPa，变形率大于25％；抗高温氧化性能在600～800℃静态空气中100h氧化增重0．01～7．00mg／cm^2；     

北方重工50t EBT超高功率电弧炉无富氧泡沫渣工艺

北方重工业集团50t偏心炉底出钢超高功率电弧炉冶炼周期为2h，采用氧化铁皮作为氧化剂，炉料中配入20％以上生铁，控制炉渣碱度2～3．5，渣中FeO含量为15％～25％，渣量3．0t。使用泡沫渣埋弧操作后，钢液的升温速度由原来的3．5℃／min提高到7．5℃／min，45钢出钢[S]为0．012％～0．020％，[P]0．005％～0．007％，电弧炉的炉龄由原来的50炉提高到150炉。     

304不锈钢冷轧卷连续钝化工艺参数的正交试验

用CIE1976L^*a^*b^*色空间中的白度HW^*作为不锈钢冷轧卷钝化后表面质量的评价指标，对304(18-8)奥氏体不锈钢板材的钝化工艺参数(HNO3 10％～20％，HF 0．8％～2．5％、钝化温度40～70℃、钝化时间1．0～3．0min)进行了正交试验和方差分析。试验和分析结果得出，不同炉批304不锈钢冷轧卷材，因成分和工艺差异，使板材最佳钝化工艺参数稍有不同，但从整体来看，304不锈钢卷材钝化的最佳工艺参数为：HNO3 10％～12％，HF 2．0％～2．5％，钝化温度40～50℃，钝化时间2．0～2．5min。     

国外钛镍黄颜料的开发与应用

前言由于环境保护和工业卫生法规的日趋强化，近年来国外迅速开发出一种含钛的黄色颜料——钛镍黄颜料．该颜料对人体、环境无毒无害，且使用年限长、耐久性能好．钛镍黄颜料是一种金属氧化物混相颜料．它的名称很多，如钛黄、钛酸锑镍、钛酸锑、钛酸锑镍黄等等．代表性的化学式为：Nio·Sb2O3·2OTiO2。代表性的元素组成如表1所示．表t镇黄的元素组成（质量％）钛镇黄颜料是比较典型的由氧化镍、三氧化二锑和二氧化钛等金属氧化物混合相银饶而成的颜料．其硬度比较高，略带磨蚀性；密度也较大，为＃．＃～4og，cm’；吸油量低，为12～20…     

包硅和铝膜的钛白粉

将二氧化钛颜料用下述工艺进行湿法处理，可以改进制备二氧化钛的性能，使其有高的不透光性和在液本涂料溶剂中具有良好的分散性，该工艺中，０．５～２５（ｗｔ）％（以下ＴｉＯ２重量为基准）的致密二氧化硅沉积在ＴｉＯ２上形成致密而粘着的膜，随后０．１～１０（ｗｔ）％的Ａｌ２Ｏ３再在已包硅膜的颜料的水浆料中沉积，处理过的颜料予以回收，干燥，最好再干磨一下，用这样成品颜料做成的油漆有突出的光洁度，在室外暴露下有食     

半石墨预焙阳极的生产方法

本发明涉及一种半石墨预焙阳极的生产方法，包括破碎→筛分→配料→混捏→成型→焙烧。其特征在于：控制预焙阳极糊料中煅后石油焦为(重量百分比)20％～50％，半石墨化石油焦或全石墨化石油焦为0％～50％，人造石墨碎为0％～40％，煤沥青为14％～20％，残极为0％～20％，灰份含量小于1％；混捏温度为140℃～180℃；成型温度为130℃～150℃；焙烧温度为1050℃～1250℃。     

热变形参数对7050铝合金微观组织的影响

在Gleeble-1500热模拟实验机上对7050铝合金试样在变形温度为250℃～450℃,应变速率为0．01～10s^-1,变形程度为50％、60％和70％的条件下进行等温压缩实验。利用透射电镜（TEM）分析了合金在不同变形参数条件下的微观组织特征。     

多功能预熔精炼渣的研制和应用

以CaO-Al2O3-MgO-BaO为基本渣系用正交设计试验方法得出研制的含CaO(40～50)％，Al2O3(25～35)％，MgO(10～15)％的LF精炼用预熔渣具有1280℃的较低熔点，脱硫效果好。经150t电弧炉150炉统计数据表明，在精炼前钢中硫含量为0．035％～0．072％时，用该预熔渣精炼后，成品钢中硫含量降至0．005％～0．019％(平均硫含量为0．009％)，平均脱硫率由原固体合成渣的72％提高到89％，LF平均精炼时间由67min降至53min。     

钒微合金化技术在CSP线HSLA钢生产中的应用

主要对钒微合金在马钢CSP线生产HSLA钢上的应用情况进行了分析。采用钒微合金工艺试制的Q345D钢其屈服强度平均为447MPa，抗拉强度平均为517MPa，伸长率平均为28．1％，韧脆转变温度点在-50～-60℃之间，Q345D钢中增加氮含量有利于细化晶粒提高强度。采用复合微合金化CSP试制的Q460D钢的屈服强度为475-510MPa，抗拉强度为580-610MPa，伸长率为24％～27．5％，冲击韧性良好。     

均质烧结技术在鞍钢的应用

简要介绍了均质烧结技术的特点及在鞍钢的应用情况。实施该技术后，烧结机料层厚度提高了50—100mm，点火温度降低了150—200℃，点火煤气消耗降低了31．5％-50．5％，固体燃料消耗降低了2～3kg/t。     

熔炼次数对M17返回料合金成分、组织和性能的影响

实验结果表明,M17铸造高温合金(%:0.16C、8.79Cr、5.79A1、4.93Ti、3.29Mo、15.20Co、0.78V、0.015B、0.073Zr、0.002S、0.001P、0.001 1O、0.001 0N)经25 kg真空感应炉返回重熔后,Si含量随重熔次数的增加而略有增加,合金中主要元素和其它杂质元素S、P、H的含量变化不大,而氧、氮略有增加;合金中初生碳化物由新合金中的草书体逐渐向返回合金块状转变,初生碳化物的遗传性堵塞合金凝固时的补缩通道,使返回料合金的疏松倾向增大,高温塑性下降较大。     

China's Major Non-ferrous Metals Imports & Exports

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Zinc Production by Province in 2014

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80% of Chinese Firms Purchasing Overseas Mines Ended up in the Red

<正>Minmetals Resources acquired the world’s largest copper mine under construction for USD5.85 billion.One after another,listed companies Jien Nickle,China Molybdenum and Chihong Zinc and Germanium raised money to get involved in overseas mining projects…SOEs and private enterprises are engaged in a frenzy of overseas mine purchasing.A reporter with Economic     

Copper Processing Profit Dropped Sharply,Copper Consumption Will Face Impact in the Second Half of the Year

正Judging from China’s copper consumption field,the biggest consumption unit is electric power,which accounts for 47%of total consumption;it is followed by light industry sector,including household electrical appliance,machinery,durable goods and hardware etc,which accounts for 22%of total consumption;followed by transportation field,     

Central Geological Prospecting Fund Newly Added 16.47 Million Tonnes of Bauxite in 2013

正In 2013,the Central Geological Prospecting Fund(CGPF)Project newly discovered 15 ore fields,including 3 large above ore fields,and 5medium sized ore fields.The reporter learned from the recently published"Annual Report of Central Geological Prospecting Fund Project(2013)"that,from 2006 to 2013 the CGPF     

Manufacturers of Copper Tube for Central Air Conditioner Use Face Mounting Pressure in the Final Quarter of the Year

正This year,the investment growth rate of real estate industry continued to slow down,sold area of commercial housing also dropped significantly,which brought huge pressure to the domestic air conditioning manufactures.In the first half of the year,by relying on high growth in national financial expenditure,along with investment in public infrastructure     

Xinjiang Ranks No.1 in Production of Primary Aluminum in China

正Kang Yi,Honorary Chairman of China Nonferrous Metals Industry Association,said recently at the Forum on Development of the Non-ferrous Metals Industry in Central and Western China held in Zhengzhou that,as more and more electrolytic aluminum factories in Xinjiang came into operation,the electrolytic aluminum output of Xinjiang had reached2,275,000 tons in the first 7 months this year,     

Shenhuo Coal Industry and Electricity Power Completed800,000 t/a Aluminum Project in Xinjiang

正"Xinjiang project has been completed according to schedule,but total completion and total start of production are two different concepts,after completion it still needs a gradual process of reaching production target."On the morning of November 3,Shenhuo Coal Industry and Electricity Power told investors the above statement on the investor interaction platform.     

Guangdong Metal Transaction Center has Become the Second Largest Precious Metal Transaction Platform Nationwide

正The reporter learned from Guangdong Province Precious Metal Transaction Center that in 2013the Center maintained healthy development momentum,and had become the second largest precious metal transaction platform in China in terms of market size;currently Guangdong is quickening steps of financial innovation for the Center,aiming to build a transaction center with international core competitiveness.