Author: R. P. M. Procter
Publisher:
ISBN:
Category :
Languages : en
Pages : 48
Book Description
A series of 18 Ni (300 grade) maraging steels of overall commercial purity but containing also deliberate impurity additions of sulphur, phosphorus, carbon, chromium and silicon plus manganese was studied. The fracture toughness and stress-corrosion resistance (determined using plane-strain fatigue-precracked specimens tested in 3.5% sodium chloride solution) of these steels was compared to the fracture toughness and stress-corrosion resistance of a commercial purity 18 Ni (300 grade) maraging steel with no deliberate impurity additions, and to a similar steel prepared from special high-purity melting stock. The most important conclusions reached are that: (i) Ultra-high purity steels do not have significantly improved stress-corrosion resistance, but show useful increases in fracture toughness when the carbon content is less than 0.005%; (ii) Simultaneous additions of Mn plus Si result in extremely low fracture toughness values; (iii) High carbon contents (greater than 0.03%) result in marginally improved stress-corrosion resistance; (iv) High Cr contents result in rather poor stress-corrosion properties. These results were correlated with the electron transmission microstructure of the steels and the results of a fractographic analysis of the fracture surfaces. (Author).
THE EFFECT OF TRACE IMPURITIES ON THE STRESS-CORROSION CRACKING SUSCEPTIBILITY AND FRACTURE TOUGHNESS OF 18 Ni (300 GRADE) MARAGING STEEL.
Author: R. P. M. Procter
Publisher:
ISBN:
Category :
Languages : en
Pages : 48
Book Description
A series of 18 Ni (300 grade) maraging steels of overall commercial purity but containing also deliberate impurity additions of sulphur, phosphorus, carbon, chromium and silicon plus manganese was studied. The fracture toughness and stress-corrosion resistance (determined using plane-strain fatigue-precracked specimens tested in 3.5% sodium chloride solution) of these steels was compared to the fracture toughness and stress-corrosion resistance of a commercial purity 18 Ni (300 grade) maraging steel with no deliberate impurity additions, and to a similar steel prepared from special high-purity melting stock. The most important conclusions reached are that: (i) Ultra-high purity steels do not have significantly improved stress-corrosion resistance, but show useful increases in fracture toughness when the carbon content is less than 0.005%; (ii) Simultaneous additions of Mn plus Si result in extremely low fracture toughness values; (iii) High carbon contents (greater than 0.03%) result in marginally improved stress-corrosion resistance; (iv) High Cr contents result in rather poor stress-corrosion properties. These results were correlated with the electron transmission microstructure of the steels and the results of a fractographic analysis of the fracture surfaces. (Author).
Publisher:
ISBN:
Category :
Languages : en
Pages : 48
Book Description
A series of 18 Ni (300 grade) maraging steels of overall commercial purity but containing also deliberate impurity additions of sulphur, phosphorus, carbon, chromium and silicon plus manganese was studied. The fracture toughness and stress-corrosion resistance (determined using plane-strain fatigue-precracked specimens tested in 3.5% sodium chloride solution) of these steels was compared to the fracture toughness and stress-corrosion resistance of a commercial purity 18 Ni (300 grade) maraging steel with no deliberate impurity additions, and to a similar steel prepared from special high-purity melting stock. The most important conclusions reached are that: (i) Ultra-high purity steels do not have significantly improved stress-corrosion resistance, but show useful increases in fracture toughness when the carbon content is less than 0.005%; (ii) Simultaneous additions of Mn plus Si result in extremely low fracture toughness values; (iii) High carbon contents (greater than 0.03%) result in marginally improved stress-corrosion resistance; (iv) High Cr contents result in rather poor stress-corrosion properties. These results were correlated with the electron transmission microstructure of the steels and the results of a fractographic analysis of the fracture surfaces. (Author).
Stress-corrosion Cracking in High Strength Steels and in Titanium and Aluminum Alloys
Author: Benjamin Floyd Brown
Publisher:
ISBN:
Category : Aluminum alloys
Languages : en
Pages : 390
Book Description
Publisher:
ISBN:
Category : Aluminum alloys
Languages : en
Pages : 390
Book Description
Scientific and Technical Aerospace Reports
U.S. Government Research & Development Reports
Corrosion Abstracts
Author:
Publisher:
ISBN:
Category : Corrosion and anti-corrosives
Languages : en
Pages : 880
Book Description
Publisher:
ISBN:
Category : Corrosion and anti-corrosives
Languages : en
Pages : 880
Book Description
U.S. Government Research and Development Reports
Cobalt
Seawater Corrosion Handbook
Author: Mildred Schumacher
Publisher: William Andrew
ISBN:
Category : Transportation
Languages : en
Pages : 520
Book Description
Publisher: William Andrew
ISBN:
Category : Transportation
Languages : en
Pages : 520
Book Description