A Dilatometric Study of the Influence of Residual Iron Content on the Annealing Behavior of Cartridge Brass

Moreira, Victor Caso; Tschiptschin, André Paulo

doi:10.1590/1980-5373-mr-2015-0597

Cited by 3 publications

(2 citation statements)

References 21 publications

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“…This corresponds to weakening of the alloy structure due to the annealing process. This process is necessary to form the relief ornament on the surface and forming the crumple zone like the curvature in the fibula catch-plate (samplings 4 and 5 in sample A) Iddan 2012, Moriera andTschiptschin, 2016 in Fig. 5).…”

Section: Resultsmentioning

confidence: 99%

Material description of a unique relief fibula from Poland

Miśta

Diduszko²,

Gójska

et al. 2017

Archaeol Anthropol Sci

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A unique relief fibula dated to the Migration Period (first half of the sixth century) was found in Radziejów, Poland. This stray find changes previous opinions on the lack of settlement in central Poland at that time. As the find is the only one of such type in Poland, a special attention was paid to possible analogies, mainly finds from Scandinavia and Western Europe. The fibula underwent technological analyses in order to reveal its technology of manufacture. For this purpose, the chemical and elemental composition of the alloy was studied. Several physico-chemical complementary techniques such as optical microscopy (OM), scanning electron microscopy with energy dispersive X-ray (SEM-EDX) spectroscopy, energy dispersive X-ray fluorescence (ED-XRF) analysis, X-ray diffraction (XRD) analysis and micro-hardness testing (HV0.2) were used to study the technology of the find. The investigations revealed that this artefact was made from brass (4-17 wt% Zn) with an admixture of Sn (2-12 wt%). Two technologies were used: casting for the bow and forming for the part with the axle of the spring. The artefact's surface was tinned in the hot-dipping process. The physical structural analyses demonstrated that the artefact was cast and ornamented by surface stamping under a relatively low temperature (about 500°C).

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Section: Resultsmentioning

confidence: 99%

Material description of a unique relief fibula from Poland

Miśta

Diduszko²,

Gójska

et al. 2017

Archaeol Anthropol Sci

View full text Add to dashboard Cite

show abstract

“…Os estudos citados foram realizados em condições de adição intencional de ferro em teores muito acima dos residuais encontrados industrialmente e alvos deste trabalho. Na faixa de teores residuais de ferro, os trabalhos de Moreira [3] e Moreira e Tschiptschin [4] indicam que a recristalização não é afetada pelo aumento do teor de ferro, mas que, por outro lado, o crescimento de grão é fortemente dependente da concentração deste elemento. Este efeito é tanto mais pronunciado quanto menor a temperatura de recozimento.…”

Section: Introductionunclassified