The utility model discloses a QPQ surface treatment aluminium foil steel pipe core subassembly of lead foil production field. Including aluminium foil steel pipe core, steel pipe core bush and support end cap, its characterized in that: aluminium foil steel pipe core includes tube core body and...
QPQ is“Quench-Polish-Quench”for short in English. QPQ technology is a new revolution technology in the field of metallurgy. It seeps a variety of metal elements to the surface in the two different nature of the bath. By QPQ treatment, the wear resistance and anti-corrosion resistance of w...
Keywords:Surface treatment technology, Comparison 0引言 钢铁制件的机械性能是其实际应用的力学基础,其性能指标一般包括强度、硬度、塑韧性等常规指标。随着机械加工制造业及汽车、航空航天等高技术性行业的发展,对金属制件、加工工具也提出了愈来愈高的要求,其要求除了常规的力学性能要求外,对金属制件在耐磨性、抗疲劳...
Committed to the research and development of QPQ surface treatment 严控生产 品质保证 工件处理之后几乎没有变形产生 Almost no deformation occurs after the workpiece is processed 丰富的生产经验 QPQ处理厂家多年行业经验,性价比高 Years of experience in aluminium veneer industry, factory direct sales, high...
3) surface treatment 表面处理工艺 例句>> 4) QPQ composite salt bath treating QPQ处理 1. The influence of QPQ composite salt bath treating on wear resistance of alloyed gray iron was investigated. 研究了QPQ处理对合金灰铁耐磨性的影响。
QPQ surface treatment technology and erosion resistance property for 4 145 was studied with the theory and test method.The results show that under the simulated condition of field fracturing operation,the mean erosion thickness of QPQ treatment tool is about 3 mm;QPQ treatment tools have higher ...
technologyQPQtreatment,the that andSUH38steelswhichwere usedinautomobilewerenitridized.Theresultsshowed always parts surfacetoinside a oxide and thenitridedfromthe concluded layer compactscale,compoundlayer diffused ofthenitridedobtained heattreatmentweremuchbetterthan layer.Theproperties layer byQPQ was ...
关键词:QPQ盐浴复合处理;汽车零件;氮化层中图分类号:TG174.4文献标识码:A文章编号:0254—0150(2009)9—082—2SurfaceTreatmentofAutomobilePartsbyUsingQPQComplexSaltBathYangWenbingZhangHu}HeYizhu(SchoolofMaterialsScienceandEngineering,AnhuiUniversityofTechnology,MaanshanAnhui243002,China)Abstract:Thestructureofnitride...
QPQ处理工艺及其质量控制周鼎华(无锡法福表面处理技术有限公司,江苏无锡214145)摘要:QPQ盐浴复合处理技术是一种新的金属表面强化改性技术。本文简要介绍了QPQ盐浴复合处理的工艺及其质量控制方法。关键词:QPQ;盐浴复合处理技术;质量控制QPQTechnologyandQualityControlZHOUDing-hua(WuxiFafuTechniquesSurfaceTreatmentCo.Ltd,Wuxi...
qpq热处理定义及特点(Definition and characteristics of QPQ heat treatment) QPQ process (liquid nitriding) QPQ salt bath composite treatment is an advanced technology for surface modification of metal fused salt. The workpiece in two kinds of different properties of molten salt liquid successively in ...