RESISTANCE SPOT WELDING CHARACTERIZATION OF PRESS HARDENED STEEL [PDF]
في صناعة السيارات، يعد اللحام البقعي المقاوم (RSW) أحد أكثر العمليات استخدامًا لربط صفائح الصلب، نظرًا لأهميته الأساسية في ضمان جودة هذه العملية. في هذا العمل، تم ضم صفائح الصلب 22MnB5 لعملية الختم الساخن، والمعروفة أيضًا باسم PHS (فولاذ التصلب بالضغط)، بواسطة تقنية اللحام البقعي المقاوم، بحيث تم تغيير معلمات اللحام 16 مرة لتقييم تأثير هذه المعلمات على
L. Abbade +5 more
openaire +1 more source
In recent years, increasing automotive safety and energy efficiency has become a major concern in the automotive industry. Advanced high-strength steel (AHSS) was chosen for its weight reduction and high mechanical strength for the body in white (BIW ...
J. A. C. Lara +4 more
doaj +1 more source
A Method for Optimizing Chemical Composition of Steels to Reduce Radically Their Alloy Elements and Increase Service Life of Machine Components [PDF]
A method for optimizing chemical composition of steel is proposed and a correlation is established to reduce cardinally alloy elements in existing steel grades that results in high compressive residual stresses at the surface of intensively quenched ...
Kobasko, N. (Nikolai)
core +2 more sources
Development of the Metal Rheology Model of High-temperature Deformation for Modeling by Finite Element Method [PDF]
It is shown that when modeling the processes of forging and stamping, it is necessary to take into account not only the hardening of the material, but also softening, which occurs during hot processing.
Aliieva, L. (Leila) +3 more
core +2 more sources
In this paper, the effects of different tempering temperatures on a recently developed ultrahigh-strength steel with 0.4 wt.% carbon content were studied.
Oskari Haiko +6 more
doaj +1 more source
Designing Of Advanced And Original Austempering Processes Based On Thermal Science And Engineering Physics Approaches [PDF]
In the paper, a small concentration of inverse solubility polymers in water and other liquid media is recommended to eliminate film boiling by means of reducing initial heat flux density.
Kobasko, N. (Nikolai)
core +2 more sources
Alloy Optimization for Reducing Delayed Fracture Sensitivity of 2000 MPa Press Hardening Steel
Press hardening steel (PHS) is widely applied in current automotive body design. The trend of using PHS grades with strengths above 1500 MPa raises concerns about sensitivity to hydrogen embrittlement.
Hardy Mohrbacher, Takehide Senuma
doaj +1 more source
Laser welding properties of 1800 MPa press hardening steel and low-alloy high-strength steel CR340LA
A laser tailor welding experiment of 1800 MPa press hardening steel and low-alloy high-strength steel CR340LA was carried out using an optical fiber laser.
Wen LIANG +5 more
doaj +1 more source
Laboratory studies of a high-strength roof bolting by means of self-extending mixtures [PDF]
Purpose is to analyze parameters of a new method to fasten roof bolts with the help of nonadhesive mixtures extending while hardening along with the development of high expansion pressures. Methods.
Isaienkov, O +3 more
core +1 more source
The deformation behavior and the constitutive description of materials are important in the design and numerical simulation of manufacturing processes.
Maria Emanuela Palmieri, Luigi Tricarico
doaj +1 more source

