Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Wajan Berata"'
Autor:
Budi Luwar Sanyoto, Wajan Berata
Publikováno v:
Jurnal Energi Dan Manufaktur (2012)
Producing of component by machining process can yield component defective. That defective in crack form, although it probably is very litlle. If that defective is applied by a syclic load, the defective exist will propagate with a propagation rate un
Externí odkaz:
https://doaj.org/article/4c28e6f7e1774009958d07c2019e5fbb
Publikováno v:
Key Engineering Materials. 867:91-97
Railway brake block is one of the most important components of the braking system of a railway vehicle. Materials for railway brake blocks are commonly made from metal or composite. The metallic brake blocks have some disadvantages that are heavy, lo
Publikováno v:
AIP Conference Proceedings.
Helmet is a self-protection equipment designed to minimize injury during an impact to the head due to motocycle accidents. According to regulation of SNI 1811–2007, helmet must satisfy several criterions, such as penetration resistance and ability
Publikováno v:
Procedia CIRP. 26:548-553
This Research is aimed to predict the maximum varying blank holder force (VBHF) over the punch stroke in order to eliminate cracks on cup deep drawing product. The constant blank holder force during the process, it's frequently not capable to prevent
Publikováno v:
Teknoin; Vol 22, No 5 (2016)
This paper aims to investigate the magnitude of minimum blank holder gap to prevent wrinkles and cracks defects of the rectangular cup with T4 material Tin Plate CA. Punch-die domensions are determined based on the standard tool designed. The methods
Publikováno v:
AIP Conference Proceedings.
Helmet is used as a safety gear to prevent the impact energy from a collision, due to a motorcycle accident, from injuring the rider’s head. Manufacturing of a light weighted helmet with a high absorption of impact energy, is much expected because
Publikováno v:
Applied Mechanics and Materials. 493:473-479
This paper presents simulation of drawing force and thickness deformation in deep drawing which employs semi-active blank holder force system, to solve the problem of cracking and wrinkling. The method of slab with feed back control failure criteria,
Autor:
Mas Irfan P. Hidayat, Wajan Berata
Publikováno v:
Advanced Materials Research. 277:143-150
In the present paper, neural networks (NN) with radial basis function and non-linear auto-regressive exogenous inputs (NARX) structure is introduced and first applied for predicting fatigue lives of composite materials. Fatigue life assessment of mul
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 273:012014
This paper presents the mathematical approach of minimum blank holder force to prevent wrinkling in deep drawing process of the cylindrical cup. Based on the maximum of minor-major strain ratio, the slab method was applied to determine the modeling o
Publikováno v:
2011 IEEE Symposium on Computers & Informatics.
In the present paper, neural networks (NN) with non-linear auto-regressive exogenous inputs (NARX) structure is developed and further applied for material lifetime assessment application. Rational of the use of the NARX structure in the application w