scholarly journals Strain Rate-temperature Dependency of Impact Tensile Properties and Ductile Fracture Behavior in Ductile Cast Iron

1999 ◽  
Vol 85 (10) ◽  
pp. 765-770 ◽  
Author(s):  
Hiroshi YAMAMOTO ◽  
Toshiro KOBAYASHI ◽  
Hidetsugu FUJITA
2012 ◽  
Vol 06 ◽  
pp. 407-412
Author(s):  
K. Matsuno ◽  
H. Matsunaga ◽  
M. Endo ◽  
K. Yanase

Effect of the hydrogen-charging on the uniaxial tensile behaviors of a ductile cast iron was investigated. It was found that the hydrogen-charging accelerated the process of crack growth from graphite in the uniaxial tensile loading condition. Further, the accelerated crack growth had a marked influence on the reduction of area at the final fracture (RA) of specimens. For instance, for the uncharged specimens, the RA was nearly constant irrespective of the strain rate. In contrast, for the hydrogen-charged specimens, the RA gradually decreased as the strain rate decreased. Thermal desorption spectroscopy and hydrogen microprint technique revealed that, in the hydrogen-charged specimen, most of solute hydrogen was diffusive one, which was mainly segregated at graphite, graphite/matrix interface zone and pearlite. Based on these experimental observations, we consider that the hydrogen-induced degradation behavior was caused mainly by a combination of the following three mechanisms: (i) supplement of hydrogen to the crack tip from graphite and graphite–matrix interface, (ii) hydrogen-enhanced pearlite cracking and, (iii) successive hydrogen-emission from graphite and additional hydrogen-supplement to the crack tip.


Alloy Digest ◽  
1952 ◽  
Vol 1 (4) ◽  

Abstract NODULOY is a magnesium inoculated ductile cast iron in which the graphite is in the nodular form. It offers excellent castability, high mechanical properties, good machinability, pressure tightness, high modulus, and excellent shock resistance. It has extraordinary high ductility in the annealed state. This datasheet provides information on composition, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as casting, heat treating, and machining. Filing Code: CI-1. Producer or source: Dominion Wheel & Foundries Ltd.


2019 ◽  
Vol 2019.32 (0) ◽  
pp. 099
Author(s):  
Hidekazu TAKAZAWA ◽  
Fuminori IWAMATSU ◽  
Katsumasa MIYAZAKI ◽  
Hiroyuki YAMADA ◽  
Nagahisa OGASAWARA

2015 ◽  
Vol 46 (9) ◽  
pp. 4086-4094 ◽  
Author(s):  
Paolo Matteis ◽  
Giorgio Scavino ◽  
Alessandro Castello ◽  
Donato Firrao

2016 ◽  
Vol 56 (5) ◽  
pp. 868-874 ◽  
Author(s):  
Tomohiro Ikeda ◽  
Takuo Umetani ◽  
Nobuhiro Kai ◽  
Nao-Aki Noda ◽  
Yoshikazu Sano

2016 ◽  
Vol 57 (12) ◽  
pp. 2132-2138 ◽  
Author(s):  
Tomohiro Ikeda ◽  
Takuo Umetani ◽  
Nobuhiro Kai ◽  
Keisaku Ogi ◽  
Nao-Aki Noda ◽  
...  

Sign in / Sign up

Export Citation Format

Share Document