Influence of Tin Bronze Melting and Pouring Parameters on Its Properties and Bells’ Tone

Bartocha, D.; Baron, C.

doi:10.1515/afe-2016-0076

Cited by 10 publications

(24 citation statements)

References 3 publications

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“…The tensile strength of tin bronzes increases with increases in tin content of up to 10%. The hardness of the alloy increases linearly with increases in the tin content in the alloy [2,13,[28][29][30].…”

Section: Introductionmentioning

confidence: 99%

Effect of Alloying Additives and Moulding Technology on Microstructure, Tightness, and Mechanical Properties of CuSn10 Bronze

Witasiak,

Garbacz-Klempka,

Papaj

et al. 2023

Materials

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Thise research was conducted to determine the impact of the applied casting technology, mould and alloying additives on the tightness of the CuSn10 cast alloy. Under industrial conditions, a series of experimental melts were made that were characterised by varying the concentrations of the main alloying element (Sn) and the introduced alloying additives (Si, Zn, Zr). The mould was made from green sand and used the CO2 moulding process. To assess the influence of the alloying additives, a metallographic analysis of the studied alloy was carried out, and the alloy’s microstructure was examined using optical and scanning electron microscopy. The introduced alloying additives affected the properties and microstructure of the studied alloy. As alloying additives, zirconium resulted in a visible refinement of the microstructure, while silicon improved the fluidity and quality of the casting’s external surface. The use of alloying additives and moulds made using different technologies is intended to improve the structure of the tin bronze castings produced and to find the best solution to significantly eliminate the lack of leakage of the castings. The castings were subjected to mechanical processing, and a leak test was performed using the pressure drop method. The conducted research allowed us to determine which technology, applied to production, will bring about a reduction in the problem and will inform further investigations.

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Section: Introductionmentioning

confidence: 99%

Effect of Alloying Additives and Moulding Technology on Microstructure, Tightness, and Mechanical Properties of CuSn10 Bronze

Witasiak,

Garbacz-Klempka,

Papaj

et al. 2023

Materials

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“…High tin bronze alloy (18)(19)(20)(21)(22)(23)(24)(25)wt.% Sn is widely used to produce gamelan than brass and cast iron [4][5][6]. The composition of the high tin bronze alloy utilized as a gamelan material varies from Cu (22)(23)wt.%Sn [4], Cu (20)(21)(22)(23) wt.%Sn [5], Cu (20-22.5)wt.% Sn [7], and Cu (20)(21)(22)(23)(24)(25) wt.% Sn [6]. The high tin bronze alloy was selected as a musical instrument because it has excellent acoustic properties [4,5,8].…”

Section: Introductionmentioning

confidence: 99%

“…The high tin bronze alloy was selected as a musical instrument because it has excellent acoustic properties [4,5,8]. The tin bronze alloy molten metal composition (20)(21)(22)(23)(24)wt.%Sn can flow and fill sand molds in thin cavities between 2-3 mm with increasing pouring temperature [9]. However, high tin bronze alloys tend to crack easily when hammered and cannot withstand low temperatures [10].…”

Section: Introductionmentioning

confidence: 99%

Archives of Foundry Engineering

Slamet,

Suyitnoa,

Kusumaningtyasa

et al. 2020

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High tin bronze alloy (Cu>17wt.%Sn) is commonly as raw material to fabricate musical instruments. Gamelan musical instruments in Indonesia are produced using tin bronze alloy raw materials. The tin bronze alloy used by each gamelan craftsman has a different tin composition, generally in the range of Cu(20-24) wt.% Sn. This study aims to investigate the effect of microstructure, density, and mechanical properties of Cu(20-24)wt.%Sn against the acoustic properties processed by the sand casting method. The material is melted in a crucible furnace until it reaches a pouring temperature of 1100ºC by the sand casting method. The specimens were subjected to microstructure observations, density and porosity as well as mechanical properties testing including tensile strength, bending strength, hardness, and modulus of elasticity. Mechanical properties data then used to calculate several parameters of acoustic properties including speed of sound (c), impedance (z) and radiation coefficient (R). Processes simulation using Finite Element Analysis (FEA) and Experiment Method Analysis (EMA) were carried out to determine acoustic properties including sound intensity, natural frequency and damping capacity. The experimental result shows that the increase in tin composition in Cu(20-24) wt.% Sn changed the microstructure of coarse grains into dendrite-columned fine grains. Physical properties of density decrease, while porosity increases. Mechanical properties including tensile strength, modulus of elasticity, and bending strength decreased, while the hardness of the alloy increases. The calculation of acoustic parameters such as the speed of sound (c), impedance (z) and radiation coefficient (R) has decreased. Moreover, sound intensity (dB), natural frequency (Hz) and damping capacity also decrease with increasing tin composition. Hence, tin bronze alloy Cu20wt.%Sn is the recommended raw material for the manufacture of gamelan instruments through the sand casting method.

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“…Metal components such as bearings, pump impellers, valves and weapons components are produced with tin bronze material using metal casting. Tin bronze has been used to produce church bells since the 11th century [2,3,4], musical instruments since the 17th century [5], as well as the main materials for gamelan and gong instruments [6,7].…”

Section: Introductionmentioning

confidence: 99%

“…The high pouring temperatures can reduce the volume of cast metal and air binding is characterized by the formation of air bubbles. The increasing of pour temperature can cause overheat in liquid metals which tend to decrease of bell products density [4]. Research on tin bronze material related to changes in composition and pouring temperature is very important especially investigation with the aim of reducing the number of damaged products.…”

Section: Introductionmentioning

confidence: 99%

Effect of composition and pouring temperature of Cu(20-24)wt.%Sn by sand casting on fluidity and mechanical properties

Slamet

Suyitno

Kusumaningtyas

2019

JMES

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The effect of tin composition and pouring temperature on the length of fluidity, microstructure, density, hardness, tensile strength and bending of Cu-Sn alloy with sand casting method has been investigated. Cu(20-24)wt.%Sn were casted in two different pouring temperatures (1000 ºC and 1100 ºC) in strip plate pattern sand mold. The sand mold has a length of 400 mm, width of 10 mm with a thickness of the mold cavity varied from 1.5 to 5 mm. The results show that the increase in composition (20-22) wt.% Sn decreases the length of fluidity while the composition (22-24) wt.% Sn length fluidity increase again. Increase of the pouring temperature and mold cavity thickness can increase the length of fluidity. Increasing tin composition and pouring temperature can increase the phase of α structure, porosity, hardness of the alloy and trigger the growth of dendrite columnar and secondary dendrite (DAS) microstructure.While the density, tensile strength and bending strength of the alloy tend to decrease. Increasing tin composition and pouring temperature in Cu(20-24) wt.% Sn caused the alloy to be more brittle.

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Influence of Tin Bronze Melting and Pouring Parameters on Its Properties and Bells’ Tone

Cited by 10 publications

References 3 publications

Effect of Alloying Additives and Moulding Technology on Microstructure, Tightness, and Mechanical Properties of CuSn10 Bronze

Effect of Alloying Additives and Moulding Technology on Microstructure, Tightness, and Mechanical Properties of CuSn10 Bronze

Archives of Foundry Engineering

Effect of composition and pouring temperature of Cu(20-24)wt.%Sn by sand casting on fluidity and mechanical properties

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