Effect of bolt pre-tension on the bearing behavior of high strength steel connections

2021 ◽  
Vol 241 ◽  
pp. 112491
Author(s):  
Yi-Fan Lyu ◽  
Guo-Qiang Li ◽  
Yan-Bo Wang ◽  
Heng Li ◽  
Yuan-Zuo Wang
Keyword(s):  
High Strength Steel ◽  
High Strength ◽  
Steel Connections ◽  
Bearing Behavior

Bearing behavior of multi-bolt high strength steel connections

2020 ◽  
Vol 212 ◽  
pp. 110510 ◽  
Author(s):  
Yi-Fan Lyu ◽  
Guo-Qiang Li ◽  
Yan-Bo Wang ◽  
Heng Li ◽  
Yuan-Zuo Wang
Keyword(s):  
High Strength Steel ◽  
High Strength ◽  
Steel Connections ◽  
Bearing Behavior

Butt welded connections of high strength steel

2021 ◽  
Author(s):  
Mareike von Arnim ◽  
Jennifer Spiegler ◽  
Ulrike Kuhlmann
Keyword(s):  
High Strength Steel ◽  
High Performance ◽  
High Strength Steels ◽  
High Strength ◽  
Numerical Investigations ◽  
Design Concepts ◽  
Steel Connections ◽  
Load Carrying ◽  
Current Design ◽  
User Friendly

<p>High-performance materials such as high strength steels allow for resource-efficient innovative structures. Therefore, economical and user-friendly design concepts for welded connections of high strength steels are required. Current design rules had been developed mainly for mild steels, e.g. requiring an overmatching of the filler metal. It is not considered, that a soft area which may form in the heat-affected zone of welded high strength steel connections may lead to an overestimation of the load-carrying capacity. Besides, mixed connections as well as under- and overmatching filler metals are not included in the current design codes. Based on a large number of experimental and numerical investigations, a design concept has been developed which takes the characteristics of butt welded high strength steel connections into account. Additionally, experimental and numerical investigations are planned to transfer the new concept of design also to mixed connections.</p>

COMPARATIVE CHARACTERISTICS OF PHYSICAL AND MECHANICAL PROPERTIES OF COMPOSITE MATERIALS AND HIGH-STRENGTH STEEL 30FGSN2A

2020 ◽  
Author(s):  
I.R. Antypes ◽  
◽  
V.V. Zaitsev ◽  
Keyword(s):  
Composite Materials ◽  
High Strength Steel ◽  
Critical Stress ◽  
Physical And Mechanical Properties ◽  
High Strength ◽  
Aviation Industry ◽  
Specific Strength ◽  
Aircraft Landing ◽  
Carbon Plastics ◽  
Aircraft Landing Gear

Currently, the use of composite materials is increasingly used in various areas of the national economy, including the aviation industry. The materials of this article are devoted to the study of the use of composite materials for the manufacture of aircraft landing gear in comparison with the traditionally used brand of steel. As a result of the work carried out, it was found that the slope made of carbon fiber showed a critical stress twice as high as its design made of 30xgsn2a steel. In addition, carbon plastics are superior to high-strength steel in terms of specific strength, stiffness, and tensile strength.

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