Microstructural development and mechanical properties of high speed steels

被引：0

作者：

Rubio, A. ^{[1
]}

Gordo, E. ^{[1
]}

Velasco, F. ^{[1
]}

Candela, N. ^{[1
]}

Torralba, J.M. ^{[1
]}

机构：

[1] Depto. Cie. Mat. e Ing. Metalurgica, Universidad Carlos III de Madrid, Avda. De la Universidad 30, ES-28911 Leganés, Spain

来源：

Key Engineering Materials | 2001年 / 189-191卷

关键词：

Ball milling - Composition effects - Density measurement (specific gravity) - Energy dispersive spectroscopy - Hardness - Mechanical properties - Metallographic microstructure - Niobium compounds - Optical microscopy - Scanning electron microscopy - Sintering - X ray diffraction analysis;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A study was made of the sintering of high speed steel (HSS), M3/2, with different percentage additions - (0%, 2.5%, 5% and 8% by vol.) - of niobium carbide. The mixture was ground in a high speed ball mill to ensure smooth distribution and a material free from agglomerates. All the mixtures were sintered at temperatures above that of solidus, higher temperatures being required as the proportion of the niobium carbide was increased. The variation of the density and hardness were measured, as well as the evolution of the microstructure and the composition of the carbides with the sintering temperature.

引用

页码：309 / 314