High temperature mechanical behavior of an extruded Mg-11Gd-4.5Y-1Nd-1.5Zn-0.5Zr (wt%) alloy

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

Standard

High temperature mechanical behavior of an extruded Mg-11Gd-4.5Y-1Nd-1.5Zn-0.5Zr (wt%) alloy. / Yu, Zijian; Huang, Yuanding; Dieringa, Hajo et al.
in: Materials Science and Engineering A, Jahrgang 645, 01.10.2015, S. 213-224.

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

Harvard

APA

Vancouver

Yu Z, Huang Y, Dieringa H, Lakshi Mendis C, Guan R, Hort N et al. High temperature mechanical behavior of an extruded Mg-11Gd-4.5Y-1Nd-1.5Zn-0.5Zr (wt%) alloy. Materials Science and Engineering A. 2015 Okt 1;645:213-224. doi: 10.1016/j.msea.2015.08.001

Bibtex

@article{a6048dc8c46b487d9e36f685cd931c41,
title = "High temperature mechanical behavior of an extruded Mg-11Gd-4.5Y-1Nd-1.5Zn-0.5Zr (wt%) alloy",
abstract = "The microstructure-property relation of an extruded Mg-11Gd-4.5Y-1Nd-1.5Zn-0.5Zr (wt%) alloy was investigated by conducting hot compression and high temperature creep at temperatures upto 250°C. The alloy exhibits an average compressive yield strength (σ CYS) of 363±1MPa and an average elongation to failure (ε CF) of 10.5±0.2% at room temperature, 301±13MPa and 12.8±1.1% at 200°C. In creep the minimum creep strain rate (ε˙) is 1.94×10-9s-1 at 175°C/160MPa and 6.67×10-9s-1 at 200°C/100MPa. The obtained stress exponent n is in the range of 3.7-4.7, suggesting that the creep is controlled by the dislocation climb mechanism. The improvement in compressive strength and creep resistance is attributed to the fine recrystallized grains, SFs in the grain interior, Mg5RE and LPSO phases at grain boundaries. The alloy exhibits a bimodal texture with 〈0001〉 and 〈 10-0〉 components. Its strengthening effect is determined by the competition between these two texture components. In compressive deformation, the textural evolution from 〈10 1 - 0〉 to 〈0001〉 is mainly attributed to the operation of basal 〈a〉 slip and {10 1 - 2}〈 10 1 - 1 〉 tensile twinning. This texture evolution is not seen in creep.",
keywords = "Compressive deformation, Creep, Hot extrusion, Magnesium alloys, Precipitation, Engineering",
author = "Zijian Yu and Yuanding Huang and Hajo Dieringa and {Lakshi Mendis}, Chamini and Renguo Guan and Norbert Hort and Jian Meng",
year = "2015",
month = oct,
day = "1",
doi = "10.1016/j.msea.2015.08.001",
language = "English",
volume = "645",
pages = "213--224",
journal = "Materials Science and Engineering A",
issn = "0921-5093",
publisher = "Elsevier Ltd",

}

RIS

TY - JOUR

T1 - High temperature mechanical behavior of an extruded Mg-11Gd-4.5Y-1Nd-1.5Zn-0.5Zr (wt%) alloy

AU - Yu, Zijian

AU - Huang, Yuanding

AU - Dieringa, Hajo

AU - Lakshi Mendis, Chamini

AU - Guan, Renguo

AU - Hort, Norbert

AU - Meng, Jian

PY - 2015/10/1

Y1 - 2015/10/1

N2 - The microstructure-property relation of an extruded Mg-11Gd-4.5Y-1Nd-1.5Zn-0.5Zr (wt%) alloy was investigated by conducting hot compression and high temperature creep at temperatures upto 250°C. The alloy exhibits an average compressive yield strength (σ CYS) of 363±1MPa and an average elongation to failure (ε CF) of 10.5±0.2% at room temperature, 301±13MPa and 12.8±1.1% at 200°C. In creep the minimum creep strain rate (ε˙) is 1.94×10-9s-1 at 175°C/160MPa and 6.67×10-9s-1 at 200°C/100MPa. The obtained stress exponent n is in the range of 3.7-4.7, suggesting that the creep is controlled by the dislocation climb mechanism. The improvement in compressive strength and creep resistance is attributed to the fine recrystallized grains, SFs in the grain interior, Mg5RE and LPSO phases at grain boundaries. The alloy exhibits a bimodal texture with 〈0001〉 and 〈 10-0〉 components. Its strengthening effect is determined by the competition between these two texture components. In compressive deformation, the textural evolution from 〈10 1 - 0〉 to 〈0001〉 is mainly attributed to the operation of basal 〈a〉 slip and {10 1 - 2}〈 10 1 - 1 〉 tensile twinning. This texture evolution is not seen in creep.

AB - The microstructure-property relation of an extruded Mg-11Gd-4.5Y-1Nd-1.5Zn-0.5Zr (wt%) alloy was investigated by conducting hot compression and high temperature creep at temperatures upto 250°C. The alloy exhibits an average compressive yield strength (σ CYS) of 363±1MPa and an average elongation to failure (ε CF) of 10.5±0.2% at room temperature, 301±13MPa and 12.8±1.1% at 200°C. In creep the minimum creep strain rate (ε˙) is 1.94×10-9s-1 at 175°C/160MPa and 6.67×10-9s-1 at 200°C/100MPa. The obtained stress exponent n is in the range of 3.7-4.7, suggesting that the creep is controlled by the dislocation climb mechanism. The improvement in compressive strength and creep resistance is attributed to the fine recrystallized grains, SFs in the grain interior, Mg5RE and LPSO phases at grain boundaries. The alloy exhibits a bimodal texture with 〈0001〉 and 〈 10-0〉 components. Its strengthening effect is determined by the competition between these two texture components. In compressive deformation, the textural evolution from 〈10 1 - 0〉 to 〈0001〉 is mainly attributed to the operation of basal 〈a〉 slip and {10 1 - 2}〈 10 1 - 1 〉 tensile twinning. This texture evolution is not seen in creep.

KW - Compressive deformation

KW - Creep

KW - Hot extrusion

KW - Magnesium alloys

KW - Precipitation

KW - Engineering

UR - http://www.scopus.com/inward/record.url?scp=84939547664&partnerID=8YFLogxK

U2 - 10.1016/j.msea.2015.08.001

DO - 10.1016/j.msea.2015.08.001

M3 - Journal articles

AN - SCOPUS:84939547664

VL - 645

SP - 213

EP - 224

JO - Materials Science and Engineering A

JF - Materials Science and Engineering A

SN - 0921-5093

ER -

DOI

Zuletzt angesehen

Publikationen

  1. Less is sometimes more
  2. Deformation by design
  3. Linguistically Responsive Teaching in Multilingual Classrooms
  4. Risk preferences under heterogeneous environmental risk
  5. Prospective material flow analysis of the end-of-life decommissioning
  6. Responsible Artificial Intelligence Systems
  7. Soil chemical legacies trigger species-specific and context-dependent root responses in later arriving plants
  8. The Relationship of Environmental and Economic Performance at the Firm Level
  9. AN INVESTIGATION OF LENGTH ESTIMATION SKILLS OF HIGH SCHOOL STUDENTS WITH MILD INTELLECTUAL DISABILITY
  10. Investigation on Flexible Coils Geometries for Inductive Power Transmission Systems
  11. Almost-invariant sets and invariant manifolds
  12. Plant diversity effects on aboveground and belowground N pools in temperate grassland ecosystems
  13. Influence of grid-connected solar inverters and mains monitoring systems on the spectral grid impedance
  14. Residual stresses of the as-cast Mg-xCa alloys with hot sprues by neutron diffraction
  15. Microstructural evolution of Mg–14Gd–0.4Zr alloy during compressive creep
  16. The Assessment of Substitution Through Event Studies-An Application to Supply-Side Substitution in Berlin's Rental Market*
  17. Tundra Trait Team
  18. Local perceptions as a guide for the sustainable management of natural resources
  19. The social-cognitive basis of infants’ reference to absent entities
  20. Predicting Therapy Success and Costs for Personalized Treatment Recommendations Using Baseline Characteristics
  21. Not Only the Miserable Receive Help
  22. Cost Minimization in a Firm's Power Station
  23. The perceiver’s social role and a risk’s causal structure as determinants of environmental risk evaluation
  24. Pennycress-corn double-cropping increases ground beetle diversity
  25. Involving Corporate Functions
  26. Selection harvest in temperate deciduous forests: impact on herb layer richness and composition
  27. An IAD framework analysis of minigrid institutions for sustainable rural electrification in East Africa
  28. Opportunities and Drawbacks of Mobile Flood Protection Systems
  29. Spielt es nur eine Rolle "was" gepromptet wird oder auch "wann" gepromptet wird.
  30. Armed to Kill
  31. Working group on dry grasslands in the nordic and baltic region - Outline of the project and first results for the class Festuco-Brometea