Sinterability of powder metallurgy tool steels produced with the application of heat-time treatment of the melt

被引：0

作者：

Poznyak, LA ^{[1
]}

Sorokin, YV ^{[1
]}

Korzhova, NP ^{[1
]}

Dastkevich, OV ^{[1
]}

机构：

[1] Ukrainian Acad Sci, Inst Mat Sci, UA-252180 Kiev, Ukraine

来源：

POWDER METALLURGY AND METAL CERAMICS | 1997年 / 36卷 / 9-10期

关键词：

Carbon Concentration; Specific Electrical Resistance; Atomize Powder; Vacuum Sinter; Porosity Decrease;

D O I：

10.1007/BF02680493

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Powder metallurgy tool steels prepared from the powders of gas-atomized melts subjected to heat-time treatment were studied. Material containing above 1.2% carbon, in addition to tungsten and molybdenum, exhibited a porosity decrease of 6-12% after vacuum sintering at a temperature 70 degrees C lower than that of solid-phase sintering. The increased sinterability of the alloys was related to the presence of a high, close to eutectic, carbon concentration at the surface of fine powder particles (principally 50-100 mu m), and is explained by the formation of liquid phase during the process of leveling the element concentration gradients.

引用

页码：466 / 469

页数：4

共 50 条

[1] Sinterability of powder metallurgy tool steels produced with the application of heat-time treatment of the melt
L. A. Poznyak
Y. V. Sorokin
N. P. Korzhova
O. V. Datskevich
Powder Metallurgy and Metal Ceramics, 1997, 36 : 466 - 469
[2] Gigacycle fatigue response of tool steels produced by powder metallurgy compared to ingot metallurgy tool steels
Sohar, Christian
Betzwar-Kotas, Agnieszka
Gierl, Christian
Danninger, Herbert
Weiss, Brigitte
INTERNATIONAL JOURNAL OF MATERIALS RESEARCH, 2010, 101 (09) : 1140 - 1150
[3] Powder metallurgy tool steels
Garner, Harrison A.
Del Corso, Gregory J.
Advanced Materials and Processes, 1996, 149 (04): : 25 - 26
[4] Powder metallurgy tool steels
Garner, HA
DelCorso, GJ
ADVANCED MATERIALS & PROCESSES, 1996, 149 (04): : 25 - 26
[5] POWDER-METALLURGY TOOL STEELS
KASAK, A
DULIS, EJ
POWDER METALLURGY, 1978, 21 (02) : 114 - 123
[6] Analysis of Heat Treatment Parameters on the Properties of Selected Tool Steels M390 and M398 Produced with Powder Metallurgy
Ciger, Robert
Barenyi, Igor
Krbat'a, Michal
MANUFACTURING TECHNOLOGY, 2021, 21 (06): : 774 - 780
[7] Properties of a Tool Produced by Powder Metallurgy
Migranov M.S.
Minigaleev S.M.
Shekhtman S.R.
Steel in Translation, 2017, 47 (11) : 699 - 704
[8] Cavitation erosion and hydroabrasion resistance of cold work tool steels produced by powder metallurgy
Niederhofer, P.
Huth, S.
Theisen, W.
WEAR, 2015, 332 : 1059 - 1069
[9] Heat treatment of high-speed steels manufactured by powder metallurgy
Boström, L.
Weiss, J.
HTM - Journal of Heat Treatment and Materials, 1978, 33 (05): : 260 - 265
[10] The role of heat treatment on wear behavior of powder metallurgy low alloy steels
Khorsand, H
Habibi, SM
Yoozbashizadea, H
Janghorban, K
Reihani, SMS
Seraji, HR
Ashtari, M
MATERIALS & DESIGN, 2002, 23 (07): : 667 - 670

← 1 2 3 4 5 →