W-based heavy alloys of three different compositions were prepared by metal injection moulding technology (MIM).
研究了三种钨基重合金的金属注射成形工艺(MIM),重点研究了脱脂和烧结两个工序,分析了烧结温度对力学性能、断口和显微组织的影响。
W based heavy alloys of three different compositions were prepared by using metal injection moulding technology (MIM), emphasing to the debinding and sintering processes.
研究了3种钨基重合金的金属注射成形工艺(MIM),重点研究了脱脂和烧结两个工序,分析了烧结温度对机械性能、断口和显微组织的影响,列举了烧结收缩、机械性能和最佳烧结温度等数据。
The distribution of trace Si (400 ppm), which was doped intentionally in raw tungsten powder, in W-7Ni-3Fe heavy alloy as well as the behavior of the impurities during the liquid phase sintering were investigated by scanning electron microscope and electron microprobe analysis.
研究了掺到原料W粉中微量Si(400ppm)在W-7Ni-3Fe重合金中的分布及在液相烧结过程中的行为。
In this paper,the structure/property relationship in sintered tungsten heavy alloy is reviewed .
阐述了高比重合金的显微组织与性能的关系,着重讨沦了 W 晶粒大小、W 颗粒连接度、W 相含量、组织均匀性、孔隙大小和孔隙度、界面杂质偏析与第二相析出等对合金性能的影响。
The present paper studies characteristics and sintering behavior of tungsten heavy alloy mixed powders as milled in a planetary ball mill.
研究了采用行星式高能球磨机球磨后的97W-2Ni-1Fe高比重合金混合粉末的特性和烧结行为,实验结果表明,球磨可以生成纳米晶粉末和W的超饱和固溶体,产生大量的缺陷,促进烧结致密化,在1250~1420℃固相烧结时可以达到几乎全致密和得到非常细的晶粒,本文还对烧结过程中出现的问题进行了初步探讨。
The thermal debinding process parameters including sample thickness, pre-debinding at low temperature and temperature increasing schedule of injection molded tungsten heavy alloy powder mixed with paraffin wax based multi-component binder system were studied.
采用石蜡(PW)基多组元粘结剂体系,研究了注射成形高比重合金喂料的热脱脂工艺参数,包括样品厚度、温度、低温预脱脂和升温速率的影响,实验表明,当温度小于250℃时,脱脂量的对数与厚度的倒数呈比例,在长时间情况下,PW可以在250℃以前全部脱除,温度、脱脂量和升温速率的控制不当将导致脱脂缺陷的产生。
Tow fracture surfaces of W-Ni-Fe tungsten heavy alloy which have a world of difference in mechanical property are analysed.
通过对W-Ni-Fe高比重合金力学性能差别很大的两组断口形貌进行分析,在一些高比重合金钨颗粒内发现有W-Ni-Fe的沉淀相,该沉淀相对合金力学性能的提高有益。
Shrinkage and characteristics of sintered W Ni Cu heavy alloy were studied.
研究了W Ni Cu高比重合金注射成形工艺过程收缩率和性能。
The surface hardening coating of W Ni Fe heavy alloys was obtained by the plasma spraying and vacuum fusing sintering.
为了增强 W- Ni- Fe高比重合金表面层的硬度和耐磨性能 ,采用等离子喷涂和真空熔结的方法 ,在 W- Ni- Fe高比重合金表面获得一定厚度的涂层 ,并通过扫描电镜观察 ,探讨了涂层的显微组织及涂层与基体的结合机理 ,并着重分析了真空熔结涂层中裂纹形成的原
Effect Mechanism of Fibre Orientation on the Adiabatic Shear of as-Extruded WHA
热挤压钨重合金纤维方向对绝热剪切特性的影响规律及机理研究
nitrided niobium-titanium-tungsten alloy
氧化铌--钛--钨合金
Tungsten alloys are materials with a high tungsten content and low amounts of NiFe or NiCu.
钨基高比重合金是钨中加入少量的镍铁或镍铜烧结而成。
EFFECTS OF W PARTICLE SIZE AND SINTERING TECHNOLOGY ON STRUCTURE AND MECHANICAL PROPERTY OF HIGH DENSITY ALLOY
钨粉粒度和烧结工艺对高比重钨合金组织结构和力学性能的影响
Determination of thorium dioxide in thorium-tungsten alloys--Weight method
GB/T3312-1982钨钍合金中二氧化钍的测定重量法
Molybdenum-tungsten alloy bars
GB/T4185-1984钼钨合金条
Molybdenum-tungsten alloy wires
GB/T4183-1984钼钨合金丝
Molybdenum-tungsten alloy rods
GB/T4186-1984钼钨合金杆
Tungsten rhenium alloy wires
GB/T4184-1984钨铼合金丝
sintered tungsten carbide compact bit
镶碳化钨硬合金齿钻头
Product kind has: It is fishing to fall , wolframe ball and mechanical axle strong / column , shake son and golf match heavy, iron base alloy.
产品品种有:渔坠、钨球、机械轴棒/柱、振子、高尔夫配重、铁基合金件等。
Nickel base alloy powder--Determination of tungsten content--Cinchonine gravimetric method
GB/T8638.11-1988镍基合金粉化学分析方法辛可宁重量法测定钨量
Research on Influence of Milling Techniques on Tungsten-copper Composite Powder and Its Alloy;
球磨工艺对钨铜复合粉及钨铜合金影响研究
Tungsten steel( hard alloy) forming machining: tungsten forming grinding, cylindrical grinding.
★ 钨钢(质合金)形加工:钨钢成型磨削、园磨削.
Tungsten steel (hard alloy) forming machining: tungsten forming grinding,cylindrical grinding.
钨钢(硬质合金)成形加工:钨钢成型磨削、外园磨削.
Study on Plasma Spray Welding of Ni-Based Alloy WC Composite Coatings
等离子喷焊镍基合金碳化钨复合涂层
Technical conditions of steel-bonded tungsten carbides
GB/T10417-1989碳化钨钢结硬质合金技术条件
cobalt chromium tungsten alloy (cobalt predominating), unwrought
钴铬钨合金(钴为主要成分),未经锻造
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