查询词典 wear iron

In order to deeply comprehend the wear regularity of chilled alloy cast iron tappet , the influence of surface layer microstructure on wear resistance was studied.

为了深入了解冷激合金铸铁气门挺杆的磨损规律，研究了冷激合金铸铁气门挺杆表层组织对耐磨性的影响。

From the study of the wear behavior, the main wear mechanism of chilled cast iron tappet under boundary lubricating condition is suggested as a fatigue process.

作者针对冷激铸铁挺杆的磨损特性，提出了在边界润滑状态下挺杆磨损的主要机制是疲劳磨损。

The results show that Re-K-Zn compound modificator has remarkable effects in high Chromium white cast iron when the modificator has 0.5%Re+2.0%K+0.008%Zn. The modificator not only or bar-like carbides but also improved the mechanical properties of high chromium white cast iron,with its impact toughness enhanced from 7.0J/cm2 to 11.7J/cm2 and its hardness enhanced from 54HRC to 57HRC, and the wear resistance increased by 350%.

实验结果表明：Re-K-Zn复合变质剂在高铬白口铸铁中有显著作用，而且当三者的加入量约为0.5%Re+2.0%K+0.008%Zn时，能显著细化组织，使其组织中网状碳化物变为粒状或条状，提高了高铬白口铸铁的力学性能，铸态冲击韧性由原来的7.0J/cm2提高到11.7J/cm2，硬度由原来的54HRC提高到57HRC，相对耐磨性能提高了3.5倍。

The wear surface morphologies showed that the mechanism of the 45 steel was micro-cutting and plastic deformations, and the mechanism of high chromium cast iron was micro-cutting of matrix structure and desquamating of carbide particles under the sand slurry wear condition.

对于象45钢这类较软的材料，在泥沙磨损条件下，材料的磨损机理主要是显微切削和多次塑性变形。对于含有较多高硬度碳化物质点的高铬铸铁类材料，在泥沙磨损条件下，材料的磨损机理主要是基体组织的显微切削和碳化物颗粒的脱落。

The hardness of HSS roll was over 66 HRC, the depth of hardened layer excesses 30 mm, the variation of hardness in the roll surface was smaller than 1.5 HRC, and the wear resistance of HSS roll was better than that of high chromium cast iron roll and high nickel chromium indefinite hilled cast iron roll, close to that of powder metallurgy hard alloy roll.

研制出的高速钢轧辊硬度超过66HRC，淬硬层深度超过30mm，辊面硬度差小于1.5HRC，耐磨性优于高铬铸铁和高镍铬无限冷硬铸铁轧辊，接近硬质合金轧辊。

Wear tests of 45 steel and high chromium cast iron were carry out by self-made simulating sand slurry wear test machine.

在自制的模拟疏浚工况的立式泥沙磨损试验机上，对 4 5钢和含碳量分别为 2 %和 3%的高铬铸铁进行了泥沙磨损试验。

A kind of high speed steel roll collar with high wear-resistance has been developed usingcentrifugal casting technique, to replace common alloy cast iron rolf collar with low wear-resistance and hard alloy roll collar with high price.

常用合金铸铁辊环耐磨性低，而硬质合金辊环成本高，采用离心铸造方法，开发了耐磨性能优良的高速钢辊环，高速钢辊环的硬度达63～65HRC，辊面硬度差小于2HRC，冲击韧性大于16J/cm~2。

It is standed energy-saving cycle bogie furnace, mainly used for high chromium, high manganese steel castings, a gray iron, ductile iron pieces, Roller, Ball, Crusher hammerhead, wear-resistant liner quenching, annealing, timeliness and various mechanical parts heat treatment

是标准节能型周期式台车电炉，主要用于高铬、高锰钢铸件、灰口铸铁件、球墨铸铁件、轧辊、钢球、破碎机锤头、耐磨衬板淬火、退火、时效以及各种机械零件热处理之用

The company has one product, copper row type: a, extrusion-type copper-Ping Pai, extrusion-type copper heterotypic Pai b, wear-resistant bronze II copper category: T2 (C1100) red copper, T3 copper, H90, H70, H68, H65, H62, HPb59-1 yellow copper, CuFe96-3 copper iron alloy plate, AgCu silver copper alloy plate, HMn58-2 yellow copper manganese, QSi3-1 silicon bronze plate three, Copper Rods category: T2, T3 copper, H90, H70, H68, H65, H62, HPb59-1 brass rod, CuFe96-3 copper iron alloy rods, HMn58-2 manganese brass rods, QSi3-1 manganese brass rods, QAl9-5-1-1 aluminum bronze rods four, brass Class: TU2 oxygen-free copper tube are my newly developed Products Division for the computer for cooling tube.

公司主要产品有一、铜排类： a、挤制型红铜平排、挤制型红铜异型排 b、耐磨青铜二、铜板类： T2（C1100）红铜板、T3铜板，H90、H70、H68、H65、H62、HPb59-1黄铜板，CuFe96-3铜铁合金板，AgCu银铜合金板、HMn58-2锰黄铜板，QSi3-1硅青铜板三、铜棒类： T2、T3铜棒，H90、H70、H68、H65、H62、HPb59-1黄铜棒，CuFe96-3铜铁合金棒，HMn58-2锰黄铜棒，QSi3-1锰黄铜棒，QAl9-5-1-1铝青铜棒四、铜管类： TU2无氧铜管是我司最新研制产品，为电脑散热管专供。

In regard to non wear resistance of the white iron shot in the practical application process,alloy iron shot have been produced by means of adding alloying element and proper heat treatment.

针对白口铁丸在实际应用过程中不耐磨易破碎的现象，在白口铸铁中通过添加合金元素及适当热处理等手段生产合金铁丸。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。