[HTML][HTML] The Portevin-Le Chatelier effect in nickel-base superalloys: Origins, consequences and comparison to strain ageing in other alloy systems
BS Rowlands, C Rae, E Galindo-Nava - Progress in Materials Science, 2023 - Elsevier
Abstract Dynamic Strain Ageing (DSA) has reached widespread acceptance since its
proposal in the 1940's as the mechanism behind the Portevin-Le Chatelier effect in ferritic …
proposal in the 1940's as the mechanism behind the Portevin-Le Chatelier effect in ferritic …
Microtwinning and other shearing mechanisms at intermediate temperatures in Ni-based superalloys
In Ni-based superalloys, microtwinning is observed as an important deformation mechanism
at intermediate temperature and low stress and strain rate conditions. Current knowledge …
at intermediate temperature and low stress and strain rate conditions. Current knowledge …
[BOOK][B] Fundamentals of creep in metals and alloys
ME Kassner - 2015 - books.google.com
Although the present edition of Fundamentals of Creep in Metals and Alloys remains broadly
up to date for metals, there are a range of improvements and updates that are either …
up to date for metals, there are a range of improvements and updates that are either …
Superior high-temperature properties and deformation-induced planar faults in a novel L12-strengthened high-entropy alloy
We developed a novel high-performance L1 2-strengthened high-entropy alloy (HEA) in the
multicomponent Ni-Co-Fe-Cr-Al-Nb system. The phase transformation, mechanical …
multicomponent Ni-Co-Fe-Cr-Al-Nb system. The phase transformation, mechanical …
On the prediction of the yield stress of unimodal and multimodal γ′ Nickel-base superalloys
EI Galindo-Nava, LD Connor, CMF Rae - Acta Materialia, 2015 - Elsevier
A new model for the yield stress in superalloys accounting for unimodal and multimodal γ′
size distributions is presented. A critique of the classic models on γ′ shearing is presented …
size distributions is presented. A critique of the classic models on γ′ shearing is presented …
[HTML][HTML] A model for dislocation creep in polycrystalline Ni-base superalloys at intermediate temperatures
EI Galindo-Nava, R Schlütter, O Messé… - International Journal of …, 2023 - Elsevier
A model for creep at intermediate temperatures in polycrystalline Ni-based superalloys is
presented. The model is based on describing stacking fault nucleation, propagation and …
presented. The model is based on describing stacking fault nucleation, propagation and …
Precipitate shearing, fault energies, and solute segregation to planar faults in Ni-, CoNi-, and Co-base superalloys
The mechanical properties of superalloys are strongly governed by the resistance to
shearing of ordered precipitates by dislocations. In the operating environments of …
shearing of ordered precipitates by dislocations. In the operating environments of …
On the faulting and twinning mediated strengthening and plasticity in a γʹ strengthened CoNi-based superalloy at room temperature
Microscopic defects and their mutual interactions are fundamentally important in deciding
the load carrying capacity of structural materials. In this context, the present work reports an …
the load carrying capacity of structural materials. In this context, the present work reports an …
[HTML][HTML] Modelling of additive manufacturability of nickel-based superalloys for laser powder bed fusion
The additive manufacturability of nickel-based superalloys for laser powder bed fusion
(LPBF) technologies is studied by considering the in-process cracking mechanisms. The …
(LPBF) technologies is studied by considering the in-process cracking mechanisms. The …
[HTML][HTML] On the effect of boron on grain boundary character in a new polycrystalline superalloy
The role of boron in conferring the grain boundary character in a new polycrystalline
superalloy suitable for power generation applications is considered. One boron-free and …
superalloy suitable for power generation applications is considered. One boron-free and …