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Tips for Improving Casting Quality of Cobalt-Chromium Alloy(2)
Release time: 2022-01-12
Figure 6: Casting fixed bridge, using direct connection of sprues.Figure 7: The edge of the crown forms a sharp edge with a preheat temperature of 800°CFigure 8: Inserting a sprue for a long fixed bridge with a large spanFigure 9: The g...
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Tips for Improving Casting Quality of Cobalt-Chromium Alloy(1)
Release time: 2022-01-12
Dissatisfaction with casting results often prompts us to rethink our workflow and improve our original machining methods. The series of casting tests carried out in this paper resulted from the fact that when a particularly large pontic ...
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Invar™36 casting
Release time: 2022-01-14
Invar™36[1], also known within the industry as Nilo 36[2], is a nickel-iron superalloy known for its low coefficient of thermal expansion.Containing 36% nickel, it maintains nearly constant dimensions as well as good strength and hardne...
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Inconel™713C/alloy713C/UNS N07713
Release time: 2022-01-14
At the beginning of the 21st century, the economy and aviation market suffered severe crises, leading to the development of more efficient products by aircraft and engine manufacturers. The new generation of aircraft has improved aerodyn...
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Research on Investment Casting of 17-4PH Stainless Steel Spiral Impeller for Centrifugal Pump(2)
Release time: 2021-10-25
Improve pouring system design and pouring conditions In the previous section, due to the insufficiency of the gating system, it was unable to provide sufficient feed, and the initial pouring parameters resulted in shrinkage and disper...
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Research on Investment Casting of 17-4PH Stainless Steel Spiral Impeller for Centrifugal Pump(1)
Release time: 2021-10-25
Introduce The impeller is the core component of the centrifugal pump. During operation, the impeller must withstand vibration and centrifugal force, thereby exerting tensile, compressive and bending stress on the blade. In addition, flo...
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Advanced nickel-based superalloys for small gas turbines(4)
Release time: 2021-10-14
CMSX-4(SLS)[La+Y] alloy is an improved version of CMSX-4 which is pre-alloyed with La and Y and has consistent low sulfur content of 1 ppm. Casting trials with pre-alloyed CMSX-4(SLS)[La+Y] ingot have demonstrated improved control and re...
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Advanced nickel-based superalloys for small gas turbines(3)
Release time: 2021-10-14
CM 681 LC Alloy Cannon-Muskegon developed CM 681 LC alloy for application as a high performance integral cast turbine wheel alloy. This alloy is an oxidation resistant alumina former, with relatively high Ta, low Ti, 3% Re and 1.5% Hf (T...
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Advanced nickel-based superalloys for small gas turbines(2)
Release time: 2021-10-13
Extensive heat treatment and microstructure evaluations were conducted on CM 939 Weldable alloy to evaluate alternative thermal processing. Two heat treatment options emerged as commercially desirable: a five-step production cycle which ...
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Advanced nickel-based superalloys for small gas turbines(1)
Release time: 2021-10-13
ABSTRACTNi-base superalloy cast materials provide an outstanding balance of high temperature strength, fatigue resistance, oxidation resistance and coating performance and can be produced to very tight tolerances in extremely complex con...
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Nickel and nickel-based alloys
Release time: 2021-09-28
1. Domestic production status of nickel and nickel-based alloysPure nickel for domestic industrial use can be produced on its own, but some nickel-based alloys mainly rely on imports.Types of nickel and nickel-based alloys (some have nat...
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Heat treatment and analysis of nickel super alloy for gas turbine applications (2)
Release time: 2021-09-27
Fig. 1. 3D model of blade designed using CATIA software.Fig. 2. Velocity Triangles of the blade.3.2 Structural analysis of blades The gas forces namely tangential, axial were determined by constructing velocity triangles at inlet and exi...
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