搜索结果: 1-6 共查到“金属材料 Hardness”相关记录6条 . 查询时间(0.093 秒)
Hardness to toughness relationship on WC-Co tool gradient materials evaluated by Palmqvist method
Toughness Cemented carbides Palmqvist Powder Metallurgy
2010/8/17
Tool graded materials (TGM) incorporate gradual transitions in their microstructure and composition with distance. The gradients provide means to favourably engineer their thermo mechanical properties...
Turning conditions of Ck 45 steel with alternate hardness zones
Machining Mechanical properties Dynamic properties
2009/12/14
Purpose: of this paper is investigation of dynamic impacts on cutting edge during machining of locally hardened steel. Alteration of hardness on a single work piece is a source of impact on tool, whic...
Microstructural and hardness chara-cterisation of sintered low alloyed steel
Powder metallurgy Steel Hardness Microstructure
2010/2/4
Purpose: The purpose of the present study is to produce low ally PM steel without any addition and with addition of ferro-boron addition by conventional PM manufacturing route at the different sinteri...
Comparison of the secondary hardness effect after tempering of the hot-work tool steels
Heat treatment Tool materials Hot work tool steels
2010/2/9
Purpose: of this paper was to examine of the secondary hardness effect after tempering of the developed complex hot-work tool steel 47CrMoWVTiCeZr16-26-8 in relation to standard hot-work tool steel X4...
期刊信息
篇名
Hardness Variations during Aging Process of Deformed W-Ni-Fe Ternary Alloys with High Nickel to Iron Ratios
语种
中文
撰写或编译
撰写
作者
Li Ronghua,Huang Jihua,Yin Sheng,Zhao Jun
第一作者单位
University of Sci...
Influence exothermical mixtures contents Na or B on elongation and hardness AlSi12 alloy
Theory of crystallization Al alloys Silumin Crystallization Metallothermy
2011/3/15
The experiments were conducted on alloy AlSi12, following a factor design 23 for 3 independent variables. Mixtures composed of NaNO3, Na2B4O7, and Mg were used for alloy treatment. The amount of a red...