Platinum Casting Temperature Guide: Porosity & Surface Quality Explained

Описание: Platinum casting temperature is critical for quality results. In this video, we break down key findings from Dr. Ulrich Klotz's 2019 research on investment casting of platinum group metals, focusing on platinum ruthenium alloy casting.

📊 Key Data from the paper:
Flask temperature: 850°C (1560°F)
Platinum casting melt temperature range: 1850°C to 1980°C (3360–3600°F)
Casting porosity vs. investment reaction trade-off
Effect of superheat casting on shrinkage porosity

🔥 The Platinum Casting Dilemma:
Should you cast at higher temperatures to reduce porosity, or lower temperatures to prevent surface roughness? This platinum jewelry manufacturing tutorial explores the casting challenges and process perimeters for centrifugal casting platinum and till casting.

💡 What You’ll Learn:
How platinum casting temperature impacts material properties
The key differences in casting between 1850°C and 1980°C
Key considerations to optimize your platinum casting process

🤔 Join the conversation:
Do you cast platinum ruthenium at 1850°C or 1980°C? Do you face more casting defects from porosity or rough surfaces? Share your platinum casting challenges in the comments!

📚 Reference:
“The Investment Casting of Platinum Group Metals: Casting Challenges, Process Perimeters and Resulting Material Properties” – Dr. Ulrich Klotz, FEM (2019).

⏱ TIMESTAMPS:
00:20 PlatinumABC's mission of advocating the value of Platinum innovations
01:20 Dr. Ulrich Klotz Platinum casting research
01:33 Investment casting of Platinum group metals: Challenges, process parameters and resulting material properties
02:50 Hard alloys, SiO2-based crucibles with addition of zirconia, Investment powders, Tree design, Centrifugal casting, 950PtCo form filling compared to 950PtRu, Superheating alloy
03:39 850°C for flask temperature
03:56 1850°C-1980°C for Platinum lithium pour temperature
04:09 Effect of melt temperature on porosity at a flask temperature of 850°C
04:20 Effect of melt temperature on investment reactions at a flask temperature of 850°C
04:30 Higher temperature can reduce porosity
05:18 To Superheat or not?

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