heavy alloy

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