Investigation of stress relief in a compressor packing gland

1967 ◽  
Vol 3 (3) ◽  
pp. 172-174
Author(s):  
G. F. Kiselev ◽  
I. S. Ushakov
Keyword(s):  
Stress Relief ◽  
Compressor Packing

TEM investigations of surface residual stress relaxation in A12O3 and Al2O3-SiC nanocomposite

1994 ◽  
Vol 52 ◽  
pp. 628-629
Author(s):  
J. Fang ◽  
H. M. Chan ◽  
M. P. Harmer
Keyword(s):  
Residual Stress ◽  
Single Phase ◽  
Stress Relief ◽  
Stress Recovery ◽  
Surface Residual Stress ◽  
Microscopic Mechanism ◽  
Sic Particles ◽  
Annealing Procedure ◽  
The Difference ◽  
Nano Size

It was Niihara et al. who first discovered that the fracture strength of Al2O3 can be increased by incorporating as little as 5 vol.% of nano-size SiC particles (>1000 MPa), and that the strength would be improved further by a simple annealing procedure (>1500 MPa). This discovery has stimulated intense interest on Al2O3/SiC nanocomposites. Recent indentation studies by Fang et al. have shown that residual stress relief was more difficult in the nanocomposite than in pure Al2O3. In the present work, TEM was employed to investigate the microscopic mechanism(s) for the difference in the residual stress recovery in these two materials.Bulk samples of hot-pressed single phase Al2O3, and Al2O3 containing 5 vol.% 0.15 μm SiC particles were simultaneously polished with 15 μm diamond compound. Each sample was cut into two pieces, one of which was subsequently annealed at 1300° for 2 hours in flowing argon. Disks of 3 mm in diameter were cut from bulk samples.

Association between stress relief methods and metabolic syndrome in Korean adults

2020 ◽  
Vol 3 (2) ◽  
pp. 65-70
Author(s):  
Min-Ok Jung ◽  
Yong-Jae Lee
Keyword(s):  
Metabolic Syndrome ◽  
Stress Relief ◽  
Korean Adults

Hurry Up and Wait: A Spatial Proposal for Urban Stress Relief

2019 ◽  
Vol 2019 (1) ◽  
Author(s):  
Maighdlyn Hadley
Keyword(s):  
Stress Relief ◽  
Urban Stress

Relationships between Stress Relief Embrittlement, Microstructures and Fracture Appearances in Pressure Vessel Steels

1989 ◽  
Vol 75 (2) ◽  
pp. 361-368 ◽  
Author(s):  
Masaaki KATSUMATA ◽  
Kenji KOIDE ◽  
Haruo KAJI
Keyword(s):  
Pressure Vessel ◽  
Stress Relief ◽  
Pressure Vessel Steels

Stress-relief borehole measurements before and after quarrying a block of Barre Granite at Barre, Vermont

1979 ◽  
Author(s):  
Danny R. Miller ◽  
G.E. Brethauer
Keyword(s):  
Stress Relief ◽  
Before And After ◽  
Barre Granite

AK STEEL TYPE 304L

Alloy Digest ◽  
2020 ◽  
Vol 69 (8) ◽  
Keyword(s):  
Mechanical Properties ◽  
Stainless Steel ◽  
Corrosion Resistance ◽  
Heat Treating ◽  
Stress Relief ◽  
Carbide Precipitation ◽  
Low Carbon ◽  
Steel Type ◽  
Temperature Performance ◽  
Type 304

Abstract AK Steel Type 304L is a chromium-nickel austenitic stainless steel. It is an extra low-carbon variation of Type 304 with a 0.030% maximum carbon content that eliminates carbide precipitation due to welding. As a result, this alloy can be used in the “as-welded” condition, even in severe corrosive conditions. In many cases it eliminates the necessity of annealing weldments except for applications specifying stress relief. Type 304L has slightly lower mechanical properties than Type 304. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fatigue. It also includes information on high temperature performance, corrosion resistance as well as forming, heat treating, and joining. Filing Code: SS-1324. Producer or Source: AK Steel Corporation.

A Study on stress relief heat treatment (Report 1)

1967 ◽  
Vol 36 (2) ◽  
pp. 140-145
Author(s):  
Zinkichi Tanaka ◽  
Tadayoshi Obata
Keyword(s):  
Heat Treatment ◽  
Stress Relief
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