| 化学成份 |
| Chemical Composition |
| 主要化学成份Main Chemical Composition(%) |
| 8%Co-(11~12)%(Tic+TaC)-WC |
备注Remark |
| 石蜡工艺Paraffin Process |
|
| 粉末性能 |
| Powder Characteristics |
名 称
Description |
标 准
Standard |
典型值
Typical Value |
霍尔流速（sec/50g)
Hsll flowability |
≤45 |
35 |
松装密度(g/cm3)
Bulk density |
2.70~3.10 |
2.85 |
|
| 工艺过程 |
| Process |
| 压制总压力（吨）Pressing Pressure |
≥3.0 |
| 真空脱蜡（ ℃ ）Vacuum Dewaxing |
300~380 |
| 真空烧结（ ℃ ）Vacuum Dewaxing |
1410±10 |
| 线收缩率（自动压机）% Linear Shrinkage |
15~20 |
|
| 物理机械性能 |
| Physical Properties |
名 称
Description |
标 准
Standard |
典型值
Typical Value |
硬 度( HRA）
Hardness |
91.6~92.6 |
92.2 |
密 度( g/cm3)
Density |
12.20~12.40 |
12.3 |
矫顽磁力(KA/m)
Coereive Force
|
12.5~16.5 |
16 |
磁饱和(%)
Magnetic Saturation |
83~93 |
91 |
抗弯强度(N/mm2)
Bending Strength |
1800 |
1900 |
|
| 金相组织 |
| Microstructure |
组织结构
Microstructure |
标 准
Standard |
典型值
Typical Value |
孔隙度(≤)
Porosity |
A04B04 |
A02B02 |
非化合碳(≤)
Uncombined carbon
|
C02 |
C00 |
|
