Search Results - "Cetlin, P. R."

Influence of soda-lime waste glass microparticles on workability and thermal properties of portland cement compounds by Alvarenga, C. B. C. S., Heiderick, O. M., Couto, T. A., Cetlin, P. R., Sales, R. B. C., Aguilar, M. T. P.

“…Numerous studies have investigated the use of waste glass as a partial substitution in Portland cement. Nonetheless, it seems there is no consensus about the…”
Get full text

The relevance of dynamic recrystallization in the hot deformation of IF steel at high strain rates by Pinheiro, I.P., Barbosa, R., Cetlin, P.R.

“…Dynamic recrystallization (DRX) occurs ordinarily during low strain rate, hot deformation of low C or IF steels. Nonetheless, important processes are carried…”
Get full text

Boiling heat transfer on a simulated nuclear fuel rod with annular fins by Porto, M.P., Costa, A.C.L., Machado, L., Koury, R.N.N., Cetlin, P.R., Coimbra, C.F.M.

“…This work describes an improved design for a nuclear fuel rod, which was developed using an experimental circuit that simulates the nuclear rod environment in…”
Get full text

The effect of cyclic bending on the mechanical properties and dislocation structures of drawn steel bars by Figueiredo, R. B., Corrêa, E. C. S., Monteiro, W. A., Aguilar, M. T. P., Cetlin, P. R.

“…Axisymmetric bar drawing increases the strength and decreases the ductility of metals. The recovery of these final mechanical properties often employs costly…”
Get full text

Effect of strain path on the dynamic restoration of interstitial free steel in the austenitic temperature range by Pinheiro, I.P., Barbosa, R., Cetlin, P.R.

“…The effect of strain path on the restoration and final microstructures of deformed metals has been far less explored than the effect of changes in other…”
Get full text

The effect of strain path on the mechanical behavior and dislocation arrangements in the hot working of copper by Pinheiro, P, Monteiro, W.A, Barbosa, R, Cetlin, P.R

“…Hot monotonic torsion of copper at 673 K led to a stress–strain curve displaying a peak and steady state stress typically connected to dynamic…”
Get full text

Substructural evolution during cyclic torsion of drawn low carbon steel bars by Corrêa, E.C.S., Aguilar, M.T.P., Monteiro, W.A., Cetlin, P.R.

“…Strain softening effects have been previously observed in drawn low carbon steel bars as a result of cyclic torsion experiments. In this paper, the…”
Get full text

The effect of the strain path on the work hardening of austenitic and ferritic stainless steels in axisymmetric drawing by CETLIN, P. R, CORREA, E. C. S, AGUILAR, M. T. P

“…The work-hardening characteristics of metals deeply affect the analytical and numerical analyses of their forming processes and especially the end mechanical…”
Get full text

The development of 3D models through rapid prototyping concepts by Santos, D.M.C., Pertence, A.E.M., Cetlin, P.R.

“…Three dimensional models are being increasingly used as prototypes in various areas of manufacturing, research and education. They are especially useful in the…”
Get full text

Strain heterogeneities in the rolling direction of steel sheets submitted to the skin pass: A finite element analysis by Giarola, A.M., Pereira, P.H.R., Stemler, P.A., Pertence, A.E.M., Campos, H.B., Aguilar, M.T.P., Cetlin, P.R.

“…•Skin pass is a fundamental step in the manufacturing of Lüders Bands-free steel sheets.•An analysis of the strain heterogeneity and Lüders Bands in the…”
Get full text

Finite element simulations of the clinch joining of metallic sheets by de Paula, A.A., Aguilar, M.T.P., Pertence, A.E.M., Cetlin, P.R.

“…The joining method by clinching was simulated utilizing a finite element analysis (FEA) for various punch and die geometries. The simulations covered the…”
Get full text

The effect of sequential tensile and cyclic torsion straining on work hardening of steel and brass by Corrêa, E.C.S, Aguilar, M.T.P, Silva, E.M.P, Cetlin, P.R

“…Plastic straining in metal forming often involves changes in the strain path, either in the process itself or in successive forming operations. This fact,…”
Get full text

Effect of the cyclic strain amplitude on the hot dynamic restoration of copper by Pinheiro, I.P, Barbosa, R, Cetlin, P.R

“…The relative strain ( Delta epsilon / epsilon sub p ) is the controlling factor that establishes the steady-state stress in the hot cyclic straining of copper…”
Get full text

The development of 3D models through rapid prototyping concepts by Santos, D.M.C., Pertence, A.E.M., Campos, H.B., Cetlin, P.R.

“…Three-dimensional models are being increasingly used as prototypes in various areas of manufacturing, research and education. They are especially useful in the…”
Get full text

The effect of tension/torsion strain path changes on the work hardening of Cu–Zn brass by Corrêa, E.C.S, Aguilar, M.T.P, Cetlin, P.R

“…The analysis of metal forming problems commonly utilizes a strain path independent constitutive equation for the material under processing. This assumption may…”
Get full text

The effect of cyclic straining on the drawing stress of low carbon steel bars by Corrêa, E.C.S., Melo Filho, L.D.R., Aguilar, M.T.P., Monteiro, W.A., Cetlin, P.R.

“…The investigations covering the work hardening behavior of metals under strain path changes have pointed out the possibility of employing the strain softening…”
Get full text

Hydraulic binder obtained from recycled cement and sand powder by MENEZES, R. M. R. O., SILVA, R. M. DA, FIGUEIREDO, E. P., BEZERRA, A. C. DA SILVA, AGUILAR, M. T. P., CETLIN, P. R.

“…Abstract Environmentally eco-efficient concrete is currently a popular choice of construction material. Reviewing relevant literature indicates that heating of…”
Get full text

Superficial and structural aspects of the cyclic strain softening in 6063 aluminum alloy bars by Corrêa, E.C.S., Aguilar, M.T.P., Monteiro, W.A., Cetlin, P.R.

“…The performance of metallic products is profoundly affected by the final mechanical properties of the material. On the other hand, these final properties are…”
Get full text

The effect of cyclic torsion on the hot dynamic restoration of interstitial free steel in the austenitic range by Pinheiro, I.P, Barbosa, R.A.N.M, Cetlin, P.R

“…The microstructures developed in hot and warm working are profoundly affected by variables such as the prevailing temperatures, strain rates and strains…”
Get full text

The evaluation of redundant deformation factors in axi-symmetric bar drawing of austenitic stainless steel by Aguilar, M.T.P, Corrêa, E.C.S, Silva, R.F, Cetlin, P.R

“…The strain distributions in the cross-section of austenitic 304 stainless steel bars, caused by axi-symmetric drawing under various conditions, were obtained…”
Get full text