查询词典 iron alloy

Test Methods for Chemical Analysis of Carbon Steel, Low-Alloy Steel, Silicon Electrical Steel, Ingot Iron and Wrought Iron

碳素钢，低合金钢，硅电炉钢，铁锭和熟铁的化学分析的测试方法

Since its inception, to maintain "quality first, reputation first" principle, with advanced production and testing equipment, first-class products and services to meet customer demand, is to produce various models of gray cast iron, ductile cast iron and ordinary steel, alloy steel castings, such as 3000 tons.

公司自成立以来，保持"质量第一、信誉至上"的原则，用先进的生产、检测设备，一流的产品和服务来满足客户的需求，现可生产各种型号灰口铸铁、球墨铸铁及普通铸钢、合金铸钢件等3000吨。

When Ts is 850 ℃,grains are fined and the size of βphase and the distance betweenβphase pasticles are small.The corrosion barrier effect ofβ phase onαphase is enhanced and the iron content does not increase much at this temperature.So the corrosion resistance is improved.The corrosion resistance of AZ70 alloy falls off when Ts is 890 ℃,which attributes to the presence of microporosity,hot cracking and increase of iron content.

过热温度为810 ℃时，热速处理对合金耐腐蚀性能的改善作用并不大；过热温度为850 ℃时，热速处理显著细化了合金晶粒，β相的尺寸和间距变小，β相对α相腐蚀的阻碍作用增加，而且合金中的铁含量并没有提高，从而改善了合金在试验条件下的耐腐蚀性能；过热温度为890 ℃时，组织中存在热裂纹和显微疏松缺陷，合金含铁量显著增高，合金的耐腐蚀性能下降。

The effects of partial substitution of vanadium and iron for manganese, nonstoichiometry and heat treatment on alloy performances were investigated.The results showed that the alloys activation characteristics, hydrogen storage content, thermodynamic and mechanical characteristics had been improved significantly after manganese was partially substituted by vanadium and iron.

研究结果表明：V、Fe取代合金中的部分Mn元素后，合金的活化性能、吸放氢性能、热力学性能及加工性能均有明显改善。V、Fe取代TiMn_(1.5)中的部分Mn后：在353K、2MPa氢气压力的条件下，只需5分钟合金即开始迅速吸氢。

Pig iron is an alloy of iron and carbon with carbon content more than 2 percent.

生铁是一种铁碳合金，其含碳量在百分之二以上。

Pig iron is an alloy of iron and carbon with carbon content more than 2 per cent.

生铁是一种铁碳合金，其含碳量在百分之二以上。

Pig iron is an alloy of iron and carbon with carbon content more than two per cent.

生铁是铁碳合金，其碳的含量在百分之二之上。

And the vermicular cast iron was produced by adding rich-La ferrosilicon alloy to cast iron as a vermicular agent.

并利用所制备的富镧稀土硅铁合金作为蠕化剂来制取蠕墨铸铁。

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最新到货的正版香港NewRay品牌合金车模： F59PHI 美国AMTRAK铁路公司F59PHI型干线列车模型，著名的美国AMTRAK全国铁路公司拥有世界上数量最多的火车头和车厢，每个时代的AMTRAK的火车头都是美国经济发展的运输功臣，粗犷的铁皮车头与欧洲的电气列车的精致形成截然相反的对比，是全世界火车爱好者极力追捧的对象。1比87比例，锌合金+ABS工程塑料材质，超精致的漆面做工，一个独立动力车头+2节车厢，可随意拼装，独特的升降式自充电系统，使用4节普通的5号电池即可，充电一分钟即可让火车在轨道上奔驰3分钟，超长超多品种的自组装轨道，可自由组装任何你喜欢的轨道形状，轨道的最大直径可达到127.5厘米，内有8根直轨，10根弯道轨，并配有十字交叉轨道、可变换方向的分向变道轨道2根和充电月台基站等特殊轨道，绝对是你爱不释手的超酷好东东，更是馈送礼品的绝佳选择！

Adding strong-carbide-formation elements to Ni-based self-fluxing alloy powder,composite coatings were obtained,which were reinforced by in-situ synthesized particles on CrCuB alloy gray iron substrate by laser cladding.

针对车用内燃机排气门座圈高温、高交变应力和高腐蚀性工况，采用添加了强碳化物形成元素的镍基自熔合金粉末，通过激光熔覆，在CrCuB合金灰铸铁基体上制备了原位合成的颗粒增强镍基复合涂层。

The big eared hedgehog, the little owl, the sand gecko, the three-toed jerboa, and every show needs a villain - saw-scale - the viper!

大耳刺猬，小猫头鹰，沙壁虎，三趾跳鼠，每场戏都需要反派角色：蝰蛇。

Plasmodiophora brassicae ; resting spores ; density gradient centrifugation of sucrose ; ultrasonic disruption

根肿；休眠孢子；蔗糖密度梯度离心；超声波破碎