Embrittlement of [001] twist grain boundaries induced by Bi segregation

Miura, Hiromi; Nakata, Hiroshi
August 1994
Applied Physics Letters;8/8/1994, Vol. 65 Issue 6, p705
Academic Journal
Examines copper bicrystals with various twist grain boundaries doped with bismuth. Dependence of fracture behavior on misorientation angle and testing temperature; Difference in the degree of embrittlement among grain boundaries; Relation between grain boundaries and tensile stresses.


Related Articles

  • Lehigh University ceramics researchers shed light on metal embrittlement.  // Biomedical Market Newsletter;9/30/2011, Vol. 21, p781 

    The article reports on the study by ceramic researchers at Lehigh University which found atomic-scale images of unprecedented resolution of the grain boundaries, where liquid metal embrittlement (LME) occurs.

  • Effect of small chromium additions on the temperature of the onset of recrystallization in microcrystalline copper produced by equal-channel angular pressing. Chuvil'deev, V. N.; Nokhrin, A. V.; Smirnova, E. S.; Lopatin, Yu. G.; Makarov, I. M.; Kopylov, V. I.; Myshlyaev, M. M. // Physics of the Solid State;Aug2006, Vol. 48 Issue 8, p1425 

    The effect of small chromium additions on the temperature of the onset of recrystallization in microcrystalline copper produced by equal-channel angular pressing was studied. The introduction of 0.3–0.5 wt % chromium is shown to decrease this temperature by 40–60°C. The effect...

  • Embrittlement in a bulk nanocrystalline alloy induced by room-temperature aging. Fan, G. J.; Choo, H.; Liaw, P. K. // Applied Physics Letters;8/7/2006, Vol. 89 Issue 6, p061919 

    The effect of room-temperature aging on the mechanical behaviors of an electrodeposited bulk nanocrystalline (nc) Ni–Fe alloy has been investigated. The tensile elongation to failure, [variant_greek_epsilon]f, of the bulk nc Ni–Fe alloy decreased from approximately 7.2% in the...

  • Solute Interaction in Grain Boundary Segregation and Cohesion. Pavel, LEJČEK // Key Engineering Materials;2014, Vol. 592/593, p389 

    Effect of solute interaction on interfacial segregation and grain boundary cohesion is modeled on basis of combined Guttmann and Rice-Wang approaches in binary and ternary systems. It is shown that attractive I-I binary interaction strengthens interfacial segregation and enhances intergranular...

  • Intergranular Corrosion of Σ9 Copper Bicrystal with Gradually Changed Misorientation in Young's Dislocation Etchant. Takehara, Yuhei; Fujiwara, Hiroshi; Miyamoto, Hiroyuki // Metallurgical & Materials Transactions. Part A;Aug2013, Vol. 44 Issue 8, p3685 

    The allowable deviation to preserve the 'specialness' of a coincident site lattice (CSL) boundary was shown using a pure copper bicrystal which was designed to have gradually changed deviation around 〈110〉 axis from near-ideal Σ9{221} to a random relation. The grain boundary...

  • Observation of Deformation and Lattice Rotation in a Cu Bicrystal. Field, David; Alankar, A. // Metallurgical & Materials Transactions. Part A;Mar2011, Vol. 42 Issue 3, p676 

    The current work examines deformation at grain boundaries from an experimental viewpoint. The orientation images of a pseudointernal surface during interrupted channel die deformations of a Cu bicrystal show the evolution of lattice orientation and crystallite fragmentation near the grain...

  • Irradiation damage of single crystal, coarse-grained, and nanograined copper under helium bombardment at 450 °C. Han, Weizhong; Fu, E.G.; Demkowicz, Michael J.; Wang, Yongqiang; Misra, Amit // Journal of Materials Research;Oct2013, Vol. 28 Issue 20, p2763 

    The irradiation damage behaviors of single crystal (SC), coarse-grained (CG), and nanograined (NG) copper (Cu) films were investigated under Helium (He) ion implantation at 450 °C with different ion fluences. In irradiated SC films, plenty of cavities are nucleated, and some of them...

  • What types of grain boundaries can be passed through by persistent slip bands? Zhang, Z. F.; Wang, Z. G.; Eckert, J. // Journal of Materials Research;May2003, Vol. 18 Issue 5, p1031 

    Investigated three typical interactions of persistent slip bands (PSB) with different types of grain boundaries (GB) in fatigued copper crystals. Complexities involved in the interactions of slip bands with GB in fatigued metals; Relationship of surface PSB with GB for the copper bicrystal;...

  • Strain rate sensitivity of a nanocrystalline Cu synthesized by electric brush plating. Zhonghao Jiang; Xianli Liu; Guangyu Li; Qing Jiang; Jianshe Lian // Applied Physics Letters;4/3/2006, Vol. 88 Issue 14, p143115 

    A method for synthesizing bulk nanocrystalline Cu by an electric brush-plating technique is reported. This brush-plated nanocrystalline Cu has a fine (26 nm) and quite uniform grain structure and predominant high-angle grain boundaries. A pronounced strain rate sensitivity of the stress with an...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics