Effect of Deep Cryogenic Treatment on Mechanical Properties and Microstructure of the Tool Steel CR7V for Hot Stamping
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Materials Engineering and Performance"
DOI: 10.1007/s11665-018-3552-y
Abstract: To solve the failure problem of hot stamping tool, the CR7V steel was deep cryogenically treated at different dwelling times with multiple tempering. The hardness, impact toughness and wear resistance of the CR7V steel were… read more here.
Keywords: cr7v steel; cryogenic treatment; treatment; deep cryogenic ... See more keywords
Investigation of the Hot Stamping Process for TRIP Steel with High Strength and High Ductility
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Engineering and Performance"
DOI: 10.1007/s11665-019-04325-3
Abstract: In order to obtain the products with high strength and ductility, the hot stamping technology of TRIP steel has been getting more attention in recent years. In this study, the effects of cooling rate on… read more here.
Keywords: high strength; stamping process; trip steel; steel ... See more keywords
Stress-state dependent formability modelling in hot stamping
Sign Up to like & getrecommendations! Published in 2019 at "Production Engineering"
DOI: 10.1007/s11740-019-00941-z
Abstract: Despite their large industrial use, Forming Limit Diagrams can describe the material formability only under single-stroke deformations, but they can dramatically fail when the deformation is not linear or incremental as it happens in many… read more here.
Keywords: stress state; formability; state dependent; hot stamping ... See more keywords
Optimization of Initial Blank Shape for Minimizing the Trimming Process in Hot Stamping of T-Shaped Parts
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Precision Engineering and Manufacturing"
DOI: 10.1007/s12541-018-0086-z
Abstract: Blank optimization in stamping is a way to reduce the cost of unnecessary material consumption or subsequent trimming operations by acquiring the final target part in a single forming process. There have been many studies… read more here.
Keywords: initial blank; shape; blank shape; process ... See more keywords
Fractional Cooling Strategy of the Hot-Stamping Process and Its Influence on Formability and Mechanical Properties of Ultra-High-Strength Steel Parts
Sign Up to like & getrecommendations! Published in 2019 at "Acta Metallurgica Sinica (english Letters)"
DOI: 10.1007/s40195-018-0832-3
Abstract: The effects of forming temperature on the formability and product properties of hot-stamping boron steel B1500HS were investigated. Based on the fractional cooling strategy, boron steel sheets were heated to achieve full austenitization before they… read more here.
Keywords: steel; mechanical properties; strategy; fractional cooling ... See more keywords
A study of interfacial heat transfer and its effect on quenching when hot stamping AA7075
Sign Up to like & getrecommendations! Published in 2018 at "Archives of Civil and Mechanical Engineering"
DOI: 10.1016/j.acme.2017.12.001
Abstract: Abstract The aim of this research was to investigate the effects of contact pressure and lubrication on the interfacial heat transfer coefficient (IHTC) between AA7075 sheet and H13 tool steel and the in-die quenching performance… read more here.
Keywords: contact pressure; hot stamping; heat transfer; interfacial heat ... See more keywords
Numerical investigation on energy performance of hot stamping furnace
Sign Up to like & getrecommendations! Published in 2019 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2018.10.083
Abstract: Abstract A hot stamping furnace is numerically analyzed for energy performance investigation. In order to manufacture ultra-high-strength steel, which is commonly used for automotive body-in-white parts, the blanks must be austenitized inside the furnace for… read more here.
Keywords: hot stamping; furnace; energy performance; stamping furnace ... See more keywords
Numerical investigations on the optimal tool temperature distribution for the integrated manufacturing of hybrid structures
Sign Up to like & getrecommendations! Published in 2021 at "CIRP Journal of Manufacturing Science and Technology"
DOI: 10.1016/j.cirpj.2021.09.006
Abstract: Abstract The combination of hot-stamped steels and fibre-reinforced thermoplastics (FRTP) offers great potential for lightweight design. The process steps of hot stamping and thermoforming for the manufacturing of such hybrid structures are usually carried out… read more here.
Keywords: temperature; hot stamping; tool; temperature distribution ... See more keywords
Numerical simulation of hot stamping by partition heating based on advanced constitutive modelling of 22MnB5 behaviour
Sign Up to like & getrecommendations! Published in 2018 at "Finite Elements in Analysis and Design"
DOI: 10.1016/j.finel.2018.05.005
Abstract: Abstract Hot stamping of 22MnB5 sheets by partition heating may represent an effective method to produce parts of the car body-in-white with improved collision performances thanks to proper tailored microstructural characteristics. In accordance with the… read more here.
Keywords: constitutive model; numerical simulation; partition heating; hot stamping ... See more keywords
Development of a hot stamping clinching tool
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Manufacturing Processes"
DOI: 10.1016/j.jmapro.2018.06.022
Abstract: Abstract A hot stamping clinching tool that integrates a forming system, a heating system and a cooling system is developed. A traditional heating furnace is replaced by resistance heating technology. DEFORM-3D is used to simulate… read more here.
Keywords: clinching tool; tool; sheet; stamping clinching ... See more keywords
Thermomechanical analysis of additively manufactured bimetallic tools for hot stamping
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Manufacturing Processes"
DOI: 10.1016/j.jmapro.2020.07.036
Abstract: Abstract A comparison between a conventional AISI H13 hot stamping tool and a bimetallic tool consisting of an AISI 1045 core and a laser-deposited AISI H13 coating is performed. In order to analyze the performance… read more here.
Keywords: aisi h13; tool; bimetallic tools; thermomechanical analysis ... See more keywords