Title:
合金構造体
Document Type and Number:
Japanese Patent JP6536927
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an alloy structure high in uniformity of distribution of elemental composition and mechanical strength, and having good high temperature strength and corrosion resistance and any shape and dimension.SOLUTION: There is provided a high entropy alloy structure containing Al, Co, Cr, Fe and Ni in a range of atom concentration of 5 to 30 at% respectively, having difference of atom concentrations of at least 4 kind elements of the elements in a range of less than 3 at.% and containing a columnar crystal in which the 5 kinds of elements are solid-dissolved as a main crystal, and P of 0.005 wt% or less, Si of 0.040 wt% or less, S of 0.002 wt% or less, Sn of 0.005 wt% or less, Sb of 0.002 wt% or less, As of 0.005 wt% or less, Mn of 0.050 wt% or less, O of 0.001 wt% or less, N of 0.002 wt% or less in ranges of atom concentrations as inevitable impurities.SELECTED DRAWING: Figure 2
Inventors:
Takahiko Kato
Kousuke Kousuke
Tadashi Fujieda
Kinya Aota
Isamu Takahashi
Hiroyuki Satake
Satoshi Yamaga
Moto Murakami
Kousuke Kousuke
Tadashi Fujieda
Kinya Aota
Isamu Takahashi
Hiroyuki Satake
Satoshi Yamaga
Moto Murakami
Application Number:
JP2014151332A
Publication Date:
July 03, 2019
Filing Date:
July 25, 2014
Export Citation:
Assignee:
Hitachi Metals Co., Ltd.
International Classes:
C22C30/00; B22F3/105; B22F3/16; C22C1/02
Domestic Patent References:
| JP2014105373A |
Other References:
F. J. WANG, Y. ZHANG, G. L. CHEN,Cooling Rate and Size Effect on the Microstructure and Mechanical Properties of AlCoCrFeNi High Entropy Alloy,Journal of Engineering Materials and Technology,米国,ASME,2009年 7月,Vol.131, No.3,p.034501.1-034501.3
I. KUNCE, M. POLANSKI, J. BYSTRZYCKI,Structure and hydrogen storage properties of a high entropy ZrTiVCrFeNi alloy synthesized using Laser Engineered Net Shaping (LENS),International Journal of HYDROGEN ENERGY,NL,ELSEVIER,2013年 9月10日,Vol.38, No.27,p.12180-12189
Yevgeni BRIF, Meuring THOMAS, Iain TODD,The use of high-entropy alloys in additive manufacturing,Scripta Materialia,NL,ELSEVIER,2015年 4月 1日,Vol.99,p.93-96
I. KUNCE, M. POLANSKI, J. BYSTRZYCKI,Structure and hydrogen storage properties of a high entropy ZrTiVCrFeNi alloy synthesized using Laser Engineered Net Shaping (LENS),International Journal of HYDROGEN ENERGY,NL,ELSEVIER,2013年 9月10日,Vol.38, No.27,p.12180-12189
Yevgeni BRIF, Meuring THOMAS, Iain TODD,The use of high-entropy alloys in additive manufacturing,Scripta Materialia,NL,ELSEVIER,2015年 4月 1日,Vol.99,p.93-96