Long-term tensile creep testing of ceramics applying a pneumatic loading system

1995 ◽  
pp. 208-213
Author(s):  
K KUSSMAUL ◽  
J HELM
Keyword(s):  
Creep Testing ◽  
Tensile Creep ◽  
Loading System

Long-Term Tensile Creep Testing for Advanced Ceramics

1992 ◽  
Vol 75 (8) ◽  
pp. 2304-2307 ◽  
Author(s):  
Tatsuki Ohji ◽  
Yukihiko Yamauchi
Keyword(s):  
Creep Testing ◽  
Tensile Creep ◽  
Advanced Ceramics

scholarly journals Study on creep performance of launch canister under long-term storage

2019 ◽  
Vol 43 (2) ◽  
pp. 199-208 ◽  
Author(s):  
Cun-Gui Yu ◽  
Tong-Sheng Sun ◽  
Guang-Yuan Xiao
Keyword(s):  
Residual Deformation ◽  
Bottom Layer ◽  
Tensile Creep ◽  
Creep Model ◽  
Model Parameters ◽  
Creep Tests ◽  
Software Environment ◽  
Long Term Storage ◽  
Term Storage

In this paper, the creep performance of a multi-barrel rocket launch canister under long-term stacking storage is studied. Based on the Bailey–Norton model, a creep model for the frame material of a launch canister was established. Constant stress tensile creep tests under different stress levels at room temperature were carried out on the frame materials of the launch canister and the creep model parameters were obtained by test data fitting. The three-dimensional finite element model of the launch canister was established in the ABAQUS software environment and the creep deformation of the launch canister after long-term stacking storage was studied. The results indicated that the bottom layer of the launch canister frame presented an extended residual deformation when the stacking storage solution with the original support pad was used. Therefore, a position adjustment program of the support pad was put forward. The residual deformation of the launch canister frame after long-term storage could be significantly reduced, thus the performance requirements for the launch canister are guaranteed.

Technique for Tensile Creep Testing of Ceramics +

1989 ◽  
Vol 72 (9) ◽  
pp. 1610-1614 ◽  
Author(s):  
Daniel F. Carroll ◽  
Sheldon M. Wiederhorn ◽  
D. E. Roberts
Keyword(s):  
Creep Testing ◽  
Tensile Creep

Effect of Long-Term Aging and Creep Exposure on the Microstructure of TiAl-Based Alloy for Industrial Applications

2004 ◽  
Vol 842 ◽  
Author(s):  
Juraj Lapin ◽  
Mohamed Nazmy ◽  
Marc Staubli
Keyword(s):  
Chemical Composition ◽  
Constant Load ◽  
Industrial Applications ◽  
Tensile Creep ◽  
Creep Tests ◽  
Fine Needle ◽  
Term Creep ◽  
Applied Stresses ◽  
Creep Exposure

ABSTRACTThe effect of long-term aging and creep exposure on the microstructure of a cast TiAl-based alloy with nominal chemical composition Ti-46Al-2W-0.5Si (at.%) was studied. The aging experiments were performed at temperatures between 973 and 1073 K for various times ranging from 10 to 14000 h in air. Constant load tensile creep tests were performed at applied stresses ranging from 150 to 400 MPa and at temperatures between 973 and 1123 K up to 25677 h. During aging and creep testing the α2(Ti3Al)-phase in the lamellar and feathery regions transforms to the γ(TiAl)-phase and fine needle-like B2 precipitates. Microstructural instabilities lead to a softening of the alloy. The effect of this softening on long-term creep resistance is negligible at temperatures of 973 and 1023 K.

Study on Tensile Creep Characteristics of High Strength Concrete

2016 ◽  
Vol 835 ◽  
pp. 535-541
Author(s):  
Guan Guo Liu ◽  
Guo Rong Zhang ◽  
Yun Sheng Zhang ◽  
Lu Lu
Keyword(s):  
Fly Ash ◽  
High Strength Concrete ◽  
High Strength ◽  
Creep Testing ◽  
Tensile Creep ◽  
Free Shrinkage ◽  
Inhibition Effect ◽  
Creep Characteristics ◽  
Binder Ratio ◽  
Water Binder Ratio

A set of concrete tensile creep testing apparatus was constructed. The tensile creep characteristics of concrete under different loading ages (1d, 3d and 7d), different water-binder ratio (0.29, 0.33 and 0.37) and different fly ash proportion (0%, 20% and 40%) were researched. The results show that tensile creep increases with increasing of water-binder ratio obviously as well as with decreasing of loading ages. The tensile creep is inhibited by addition of fly ash, and the inhibition effect increases with the increase of fly ash proportion. Free shrinkage is counteracted 42%~62% by tensile creep. The internal tension of concrete is effectively relieved so that the possibility of cracking of concrete is decreased at early ages.

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