405 is non - asbestos clutch facing which adopts refined glass fiber , high - temperature resistance composite fiber materials , high quality metals such as soft copper and so on , uses imported wear and lubrication materials , high grade heat resistance resin binder through special process 405无石棉离合器面片,采用精制玻纤,耐高温复合化纤材料,优质软金属铜等,选用进口耐磨材料,润滑材料,高档耐温树脂经过特殊工艺复合粘结而成
This composite pipe has its shell constructed with metal with brackets by point welding u - shape tortoise shell network in the inner wall and stuffed with nanometer wearable materials making the pipe enjoy better performance in high - temperature resistance , anti - eroding , acid resistance and wear 本产品是以金属为壳体，管内壁点焊u型或工型龟甲网作为支架，龟甲网内填充纳米耐磨材料的复合管道，具有更好的耐高温、抗冲刷、耐酸、耐磨损等特点。
The research results show that , from the viewpoint of second phase morphologies , there exist quite differences between the grain - type materials ( such as wc / bcu brazing deposit material , wrs1000 and 1zt tungsten carbide strengthening overlaying material , as well as the wear - resistant material of polymer adhesive coating etc . ) , and the aggregation - type as well as dispersion - type ones ( such as zg35simn , wrd - 1 and khc - k2 depositing material ) in the wear - resistance and sand slurry abrasion mechanism . the sand slurry abrasion mechanisms are brought forward , of new wear - resistant materials with the features of grain - type second phase morphologies 研究发现，与聚合型、弥散型第二相的材料(如zg35simn 、 wrd ? 1和khc ? k2熔敷材料等)相比，颗粒型第二相的材料(如wc bcu钎焊熔敷耐磨材料、 wrs1000型耐磨材料、 1zt碳化钨颗粒增强熔敷材料及ktc ? 1耐磨胶粘涂层材料等)在耐磨性能和磨损机理等方面均有不同，总结提出了以“颗粒型第二相”为特征的耐磨新材料泥沙磨损机理。
The chemical composition of materials of the wear resistant is more reasonable and has good mechanical properties , hardness modest , impact toughness , and strong yield high , high manganese steel service life is the 2to4 times that of a warehouse liner can be used 3to4 years , stable quality , widely usage , and high comprehensive economic indicators , it belongs to wear - resistant materials with great potential development , and got the second prize winner ministerial - level scientific and technological progress , fill a blank in china , mainly for export liner material 该耐磨材料的化学成分设计比较合理，具有良好的综合机械性能，硬度适中，冲击韧性好，屈服强度高，使用寿命是高锰钢的2 4倍，一仓衬板使用3 4年，质量稳定，使用范围广，综合经济指标高，是一种很有发展潜力的耐磨材料，获得部级科技进步二等奖，填补了国内空白，主要用作出口衬板材料。
Surface , the easliy wear and tear parts use grinding - resistant material , extruding part use variable cylinder diamethe extruder with compact structuures , transmission gear with hard gear ter detachable pitch , great extruding p0ressure , high vacuum degree , low loading capacity ( electricity - saving more than 25 % than the same product ) . it reaches advanced domestic level andcan replace imported items . it is suitable to produce hollow brick with high hole ratio , coal waste rock hollow bricks , shale hollow bricks , prower coal ash hollow - bricks . the extruder won the scienttific and technological progress pride of the lst building material scientific and techniques achievement exhibition in jiangsu province and the golden prize of the mational brick and tile energy - saving lxln achievement 该机结构紧凑、传动齿轮均系硬齿面,易损件采用耐磨材料、挤出部分采用变缸径、变螺距、挤出压力大、真空度高,装机容量低(比同类产品节电25 % ) ,性能优于进口同类设备,适用生产高孔洞率空心砌块、煤矸石、页岩、精煤灰空心砖及各类高掺入量粉煤灰砖和低塑性原料砖，该机在江苏省首届建材科技成果展览会科技进步奖； 94全国砖瓦节能四新成果展览会金奖，西安国际博览会金奖。
When change the component of adhesive its shear strength increased from 39 . 3 mpa to 53 . 5 mpa at room temperature and it have long - term usage at 180 with 25 mpa and can be served at 230 in short period . the addition of liquid rubber resulted in a 300 % increase in the peeling strength . the addition of polymer ether imide led to a 260 % increase in the peeling strength , a 15 % increase in shear strength and a 10 increase in tg ( tg = 195 . 54 ) 研究结果表明： bmi dds e ? 51 tde ? 85组成的胶粘剂体系的室温剪切强度为39 . 3mpa ，当改变环氧树脂的含量时，剪切强度提高到53 . 5mpa ；用无规羧基液体丁腈橡胶改性环氧树脂胶粘剂时室温剥离强度提高3 . 0倍；用聚醚酰亚胺改性环氧树脂胶粘剂，室温剪切强度最高可达45 . 2mpa ，剥离强度提高2 . 6倍，玻璃化转变温度tg = 195 . 54 ，比未增韧体系提高10以上；碳纤维耐磨材料与同步器圆锥环的粘接实验结果表明，胶粘剂的使用工艺性能良好，满足室温剪切强度30mpa和180剪切强度12 . 5mpa的技术要求。
An excellent adhesive was prepared from bismaleimide ( bmi ) , epoxy resin ( e - 51 and tde - 85 ) , 4 , 4 ' - diaminodiphenyl sulfone ( dds ) in this thesis . the influence of liquid rubber and polymer ether imide ( pei ) on the properties ( especially high - temperature strength and the peeling strength ) were discussed , their different toughening characteristics and mechanisms were discussed . last , the process and effection of heat - resisted structural adhesive were studied by adhesive experiment of synchronizer in automobile . the results of investigation made clear : the adhesive , has good properties , especially heat - resisted properity 根据材料分子设计的原理，研究了二苯甲烷双马来酰亚胺( bmi ) 4 ， 4 ’ ?二胺基二苯基砜( dds ) e ? 51 tde ? 85组成的环氧胶粘剂体系，研究该体系在作为高温结构胶粘剂使用时的粘接性能；然后研究了用无规羧基液体丁腈橡胶( ctbn ? x )和聚醚酰亚胺( pei )分别来增韧该体系的增韧效果；最后通过碳纤维耐磨材料与同步器圆锥环的粘接实验，研究了耐高温结构胶粘剂的粘接工艺和使用效果。
Based on the technical requirements of manufacture , application and repair of the pump shell and cutter piece of the cutterhead pipeline dredge , put forward are the re - manufacture three principles on easily damaged workpieces of dredge engineering . with the inter - clamped structures on the pump liners , the gradient wear - resisting design on the cutter piece , and the new techniques in the process of re - manufacture , new wear - resistant materials , including high - cr alloy , overlaying and brazing deposits , and polymer adhesive coatings have been successfully applied to the re - manufacture dredge pump shell and cutter piece . the application results show that their wear - resistant lifetimes and the dredging profits have been increased remarkably 根据绞吸挖泥船泥泵绞刀的制造、使用和修复性能要求，提出了疏浚工程易损件再制造三原则；采用泥泵内衬互锁结构、绞刀梯度化耐磨设计和工艺再制造新技术，将高铬合金耐磨材料、熔敷耐磨材料及其复合材料和高分子耐磨胶粘涂层材料成功地应用于再制造泥泵壳和绞刀片上，显著提高了泥泵壳和绞刀的耐磨寿命和挖泥船的疏浚效益。
The composition , microstructure , properties and application of abrasion resistant materials such as mn steel , low alloy steel , white cast iron have been introduced in details and the wear resistant structure steel material and casting composite materials and high b casting alloy have also been reviewed 摘要详细介绍了耐磨材料奥氏体锰钢、低合金钢和白口铸铁的成分、组织、性能及其应用进展，还对耐磨钢结材料和耐磨铸造复合材料以及新开发的高硼铸造耐磨合金进行了评述，期待为科学选择耐磨材料提供参考。
