Results 21 to 30 of about 1,565 (219)
Hot stamping of ultra high strength steels
Hot stamping is a novel process to produce ultra high strength automobile components without any spring back. Simultaneous forming and quenching of the hot blanks after austenization result in fully martensitic microstructures in the final products.
Naderi, Malek
core +3 more sources
To elucidate the hardness evolution behaviors for 38MnB5Nb ultra-high-strength hot stamping steel, a series of tempering processes with varying tempering temperatures and times were carried out with a dilatometer.
Ping Luo +8 more
doaj +1 more source
A self-developed strip-type high-temperature friction and wear test device was used to simulate the high-temperature friction process of uncoated 22MnB5 boron steel under actual hot stamping conditions.
JIANG Yihan +3 more
doaj +1 more source
The effect of quenching and defects size on the HCF behaviour of Boron steel [PDF]
This work investigates the effect of natural and artificial surface defects and quenching on the fatigue strength of a Boron steel (22MnB5). A vast experimental campaign has been undertaken to study the high cycle fatigue behaviour and more specifically ...
PESSARD, Etienne +4 more
core +1 more source
Application of Cold Stamping Process with 1500 MPa Ultra-High-Strength Steel for Aftermarket Bumper [PDF]
With the advancement of lightweight vehicle structure design, the demand for hot-stamped steel in the aftermarket (AM) sector has steadily increased. However, Taiwan's production capacity has been limited to two hot stamping lines, insufficient to meet ...
Chen Yi-Chun +4 more
doaj +1 more source
Research progress of the prediction method for thermal formability of high strength steel
Hot stamping of high strength steel is an approach to achieve the lightweight of auto-body and guarantee the security of automobile simultaneously, and it has been widely used in the automobile and steel industry in recent years.
Wenquan LIU +3 more
doaj +1 more source
Research Progress on Coating Cracks in Galvanized Ultra-High Strength Steel Plates [PDF]
The zinc coating plays a crucial role in protecting the steel plate substrate from oxidation and decarburization in the hot stamping protection of ultra-high strength steel for vehicles, and provides good cathodic protection and welding performance for ...
YIN Hao, PENG Yuchun, LI Xiaozhou
doaj +1 more source
Wear and Friction Evaluation of Different Tool Steels for Hot Stamping [PDF]
The aim of this work is to investigate the durability of tool steels for hot stamping by comparing the wear resistance of three hot work tool steels. Friction and wear behaviours of different tool steels sliding against a 22MnB5 uncoated steel at elevated temperatures were investigated using a high‐temperature version of the Optimol SRV reciprocating ...
Maider Muro +3 more
openaire +3 more sources
22MnB5 boron steel hot stamping.
O processo de estampagem à quente é um dos métodos possíveis para a conformação de aços de alta resistência. Para isso é necessário o estudo das propriedades termomecânicas para obtenção de parâmetros ótimos para a construção de uma linha de estampagem ...
Tamy Oshiro Matayoshi
core +2 more sources
Bending Behavior of Zinc‐Coated Hot Stamping Steels [PDF]
In the automotive industry, ultrahigh strength steels allow downgauging while, at the same time, passenger safety is increased. To expand the application fields of martensitic steels, which are frequently produced via hot stamping, cathodic corrosion protection is required.
Christina Hofer +6 more
openaire +1 more source

