scholarly journals Effect of Punch Wear on Fatigue Strength of Pierced High-Strength Steel Sheets

2014 ◽  
Vol 55 (638) ◽  
pp. 228-232 ◽  
Author(s):  
Takashi MATSUNO ◽  
Atsushi SETO ◽  
Masayoshi SUEHIRO ◽  
Yoshinori YOSHIDA
Keyword(s):  
Fatigue Strength ◽  
High Strength Steel ◽  
High Strength ◽  
Steel Sheets ◽  
Punch Wear

scholarly journals Low Heat Joining – Manufacturing and Fatigue Strength of Brazed, Locally Hardened Structures

2010 ◽  
Vol 137 ◽  
pp. 347-374 ◽  
Author(s):  
Volker Wesling ◽  
Antonia Schram ◽  
Mirjam Kessler
Keyword(s):  
Fatigue Strength ◽  
Strength Property ◽  
High Strength Steel ◽  
Cyclic Load ◽  
High Strength ◽  
Metallurgical Properties ◽  
Steel Sheets ◽  
Extended Application ◽  
High Strength Property ◽  
Brazed Joints

Low-heat brazing as a joining option for high strength steel sheets under cyclic load is still a challenge for manufacturing. For application arc brazing to locally hardened, high strength steel sheets a material specific manufacturing concept is needed to ensure a quality-related, reliable and reproducible processing. Thus the interaction of brazing parameters, metallurgical properties, types of brazed seams and different arc-processes under cyclic load were investigated. This should extinguish the base for an extended application of arc-brazed joints at cyclic loaded, high strength, property adjusted structures.

Effects of Tempering Treatment on Fatigue Strength of Resistance Spot Welded High-strength Steel Sheets

2018 ◽  
Vol 2018 (0) ◽  
pp. GS0105
Author(s):  
Momoko ADACHI ◽  
Akira SATO ◽  
Shoh MATSUI ◽  
Seiji FURUSAKO ◽  
Izuru NISHIKAWA ◽  
...  
Keyword(s):  
Fatigue Strength ◽  
High Strength Steel ◽  
High Strength ◽  
Resistance Spot ◽  
Steel Sheets ◽  
Tempering Treatment ◽  
Spot Welded

scholarly journals Review of Shearing Processes of High Strength Steel Sheets

2020 ◽  
Vol 4 (2) ◽  
pp. 54 ◽  
Author(s):  
Ken-ichiro Mori
Keyword(s):  
Fatigue Strength ◽  
High Strength Steel ◽  
High Strength ◽  
Steel Sheets ◽  
Sheared Edge ◽  
Ultra High Strength Steel ◽  
Edge Quality ◽  
Automobile Parts

Shearing processes of high strength steel sheets increasingly applied to lightweight automobile parts were reviewed. With the increase in strength of the high strength steel sheets, shearing operations become hard. First, the sheared edge quality in shearing of high strength steel sheets and the effects on the formability and fatigue strength were shown. Next, ironing processes with a taper punch and a punched slug, a slight clearance punching with a punch having a small round corner and a thickening process of the sheared edge were explained as processes for improving the sheared edge quality. Finally, hydrogen-induced delayed fractures of cold-sheared ultra-high strength steel sheets and of hot-trimmed parts were evaluated.

Increasing the fatigue strength of high-strength steel parts by repeated treatment with shot peening

2020 ◽  
pp. 79-82
Author(s):  
G.N. Kravchenko ◽  
K.G. Kravchenko
Keyword(s):  
Fatigue Strength ◽  
Shot Peening ◽  
High Strength Steel ◽  
High Strength ◽  
Resource Recovery ◽  
Repeated Treatment ◽  
Multiple Processing

The effectiveness of multiple hardening by shot peening of samples made of «30ХГСН2А» high-strength steel to increase their fatigue strength is experimentally established. Repeated hardenings allow not only to restore the original durability and even significantly increase it. Keywords fatigue strength, durability, resource recovery, multiple processing by shot peening, repeated hardening, high-strength steel. [email protected]

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