铬合金

Using carbon, iron, silicon, ferrochromium, ferrotitanium and nickel powder as the raw materials, chromium carbide/Fe-based composite coatings with an even and smooth surface were prepared by vacuum reactive braze coating, which combined with a mild steel substrate by a metallurgical bonding.

以纯铁粉、硅粉、硼铁粉、铬铁粉、胶体石墨及镍粉为原料，通过真空反应钎涂在低碳钢基体上制备了碳化铬／铁基自熔合金复合涂层，涂层表面光滑、平整且与基体为冶金结合。

Using carbon, iron, silicon, ferrochromium, ferrotitanium and nickel powder as the raw ma terials, chromium carbide/Fe-based composite coatings with an even and smooth surface were prepared by vacuum reactive braze coating, which combined with a mild steel substrate by a metallurgical bonding.

以纯铁粉、硅粉、硼铁粉、铬铁粉、胶体石墨及镍粉为原料，通过真空反应钎涂在低碳钢基体上制备了碳化铬／铁基自熔合金复合涂层，涂层表面光滑、平整且与基体为冶金结合。应用扫描电子显微镜、能谱仪、X射线衍射仪及显微硬度计，研究了涂层的组织结构、成分分布和硬度分布。

Addition, The application of our products in the processing of core-wrapped alloy wire, deoxidizer for steel-making, Calcium, Chromium, Strontium, Ferroniobium, Ferromolybdenum, Ferrotitanium and Ferrovanadium will significantly improve the recovery rate, reduce the impurity of the products and enhance the product quality, which sequentially brings more economic benefit to your company.

在生产合金包芯线、炼钢脱氧剂、金属钙、金属铬、金属锶、铌铁、钼铁、钛铁、钒铁、钒铝合金和异丙醇铝等产品时，使用我公司生产的产品，可以提升回收率，降低产品杂质，提高产品品位，从而获得更好的经济效益。

A new method to cast-in hard alloy on high Cr wear resistant alloy was adopted according to the operating condition of guttering back board.

根据溜槽衬板的工况条件，提出了在高铬耐磨合金材料上镶铸硬质合金的新方法。

The influence of the K/Na modificator on structure and performance of high chromium cast iron was investigated.

考察了K/Na变质剂对高铬铸铁组织和性能的影响，确定了合金的熔炼工艺和热处理工艺，得出最佳的淬火和回火工艺温度(淬火1000℃+450℃回火)。

Artificial mechanical cardiac valve was produced by Lanzhou Flight Control Instrument Factory. Prosthetic valve frame was acid-resisting chrome-nickel alloy of high intensity, valve ring was polyester filament fabric, valve was consisted of graphite matrix in interior and deposited hydrolytic carbon on surface.

人工机械心脏瓣膜由兰州飞控医疗仪器厂生产，为C-LⅠ型短柱人工机械心脏瓣膜，瓣架为高强度耐酸铬镍合金，瓣片的内部为石墨基体，表面为沉积热解碳，瓣环为涤纶长丝织物。

With the impact extrusion of chrome and copper the electric mouths as well as submerged are welding mouths enjoy the properties of high conductivity, highstrength, wearability and longevity, which all measure up with JB4281-86, JB/T7598-94 and conductivity of Luo rigidity promulgated by the State, Inteneration and temperature have attained the top level of China and the products have already been applied in various car manufactories in China.

导电咀、埋弧焊咀，采用铬锆铜合金为原料冷挤压成型，伸冷加工，具有导电率高、高强度、耐磨性强、使用寿命长等特点，符合国家部颁标准JB4281-86、JB/T7598-94、导电率洛氏硬度，软化、温度均达国内国内先进水平，产品已在全国各大汽车制造厂得到应用。

VGC announced recently that it is going to launch a new Caddy next month, which, comparing with its predecessor, has alloy hub, lower mudguard and chrome-plated frog headlamp.

近日，大众汽车公司宣布推新款开迪车型，并在下个月上市销售。大众新款开迪配备了合金轮毂和较低的前扰流板，而这款车的前雾灯也经过镀铬处理。

It is the free-machining modification of the basic 18% chromium – 8% nickel stainless steel.

合金（UNS S30303）是无磁性的、奥氏体、可自由切削的不锈钢产品，这个产品在基10%铬、8%镍的不锈钢产品基础上稍作变化，它的机械切削性更强，同时还保持了良好的机械和抗腐蚀特性。

The invention provides the flux-cored wire for welding the duplex stainless steel, 17 percent to 24 percent flux-cored powder is filled into stainless steel belt. The invention is characterized in that the mass percent of the components of the flux-cored is as follows: 35 percent to 40 percent of chromium powder, 11 percent to 15 percent of molybdenum powder, 2 percent to 4 percent of nickel powder, 3 percent to 5 percent of manganese powder, 1 percent to 5 percent of magnesia chrome, 1 percent to 3 percent of ferrosilicon, 4 percent to 9 percent of rock crystal, 2 percent to 6 percent of feldspar, 21 percent to 30 percent of rutile, 0.5 percent to 4 percent of Al2O3, 0 percent to 5 percent of zircon, 0.5 percent to 3 percent of Bi2O3, and 0.5 percent to 3 percent of manganese nitride.

一种用于焊接双相不锈钢的药芯焊丝，将药芯粉末以17～24％填充在不锈钢带内，其特征在于，所述的药芯质量百分比成分如下：35～40％的金属铬粉，11～15％的金属钼粉，2～4％的金属镍粉，3～5％的金属锰粉，1～5％的铝镁合金，1～3％的硅铁，4～9％的石英，2～6％的长石，21～30％的金红石，0.5～4％的Al 2 O 3 ，0～5％的锆英石，0.5～3％的Bi 2 O 3 ，0.5～3％的氮化锰。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。