The role of alkalizing agent on the manganese phosphating of a high strength steel part 2: The combined effect of NaOH and the amino group (NH4OH, mono-ethanolamine and NH4NO3) on the degradation stage of the phosphating mechanism

2016 ◽  
Vol 299 ◽  
pp. 113-122 ◽  
Author(s):  
C. Galvan-Reyes ◽  
J.C. Fuentes-Aceituno ◽  
A. Salinas-Rodríguez
Keyword(s):  
High Strength Steel ◽  
High Strength ◽  
Steel Part ◽  
Combined Effect ◽  
Amino Group ◽  
Mono Ethanolamine

scholarly journals Study on forming process and spring back control of high strength sheet based on Dynaform

2018 ◽  
Vol 232 ◽  
pp. 02039
Author(s):  
cunping Liu
Keyword(s):  
Velocity Profile ◽  
High Strength Steel ◽  
High Strength ◽  
Steel Part ◽  
Drawing Process ◽  
Spring Back ◽  
Blank Holder Force ◽  
Forming Process ◽  
Blank Holder ◽  
Motion Mode

The drawing process of a high strength steel part without blank holder force was numerically simulated based on Dynaform. In present investigation, the drawing velocity and velocity profile motion of punch was studied by simulating the drawing operation of high strength steel part. The results show that restricting drawing velocity and controlling velocity profile motion of punch could all reduce the spring back. The measure of restricting drawing velocity could reduce non-pressure forming spring back about 31% and Trapezoidal motion mode of punch is the most beneficial to reduce spring back.

The dual role of shot peening in hydrogen-assisted cracking of PSB1080 high strength steel

2016 ◽  
Vol 110 ◽  
pp. 602-615 ◽  
Author(s):  
Xinfeng Li ◽  
Jin Zhang ◽  
Yanfei Wang ◽  
Mingming Ma ◽  
Sicong Shen ◽  
...  
Keyword(s):  
Shot Peening ◽  
High Strength Steel ◽  
High Strength ◽  
Dual Role ◽  
Hydrogen Assisted Cracking
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