Development of a TiC&lt;sub&gt;p&lt;/sub&gt; Reinforced Ni-Based Superalloy MMC, with High Creep Resistance and Reduced Weight

doi:10.4028/www.scientific.net/kem.742.189

Study

Final ProductionHigh ImpactStrong effect

TiC Particle Reinforcement Enhances Creep Resistance and Reduces Weight in Polycrystalline Nickel-Based Superalloys

Incorporating titanium carbide (TiC) particles into polycrystalline nickel-based superalloys significantly improves their resistance to creep deformation at high temperatures while simultaneously reducing overall material weight.

Key engineering materials · 2017

01

Key Findings

01TiC particle reinforcement improved the creep resistance of the nickel-based superalloy at 800 °C and 200 MPa.
02The addition of TiC particles resulted in a reduction of the material's weight.

02

Application

Design takeaway

Consider incorporating ceramic particle reinforcements like TiC into superalloys for applications requiring high creep resistance and weight reduction.

How to apply

When designing components for high-temperature, high-stress environments where weight is a critical factor, explore the use of metal matrix composites with ceramic reinforcements.

Project actions

01When selecting materials for high-temperature applications, consider composite options.
02Investigate how particle reinforcement affects material properties like strength and density.

03

Method & Evidence

AimTo investigate the effect of TiC particle reinforcement on the creep resistance and weight of polycrystalline nickel-based superalloys.

MethodExperimental research and materials testing

ProcedureA polycrystalline nickel-based superalloy (Inconel X-750) was reinforced with 15 vol.% of TiC particles. The composite material was fabricated using powder metallurgy techniques, including low-energy mixing, uniaxial pressing, and sintering, followed by a triple heat treatment. Microstructural analysis was conducted using SEM and XRD. Compressive creep tests were performed at 800 °C and 200 MPa on both the original and reinforced alloys.

ContextAerospace engineering, specifically high-pressure turbine components.

Variables

IVPresence and volume percentage of TiC particles.

DVCreep resistance (e.g., strain rate), material weight (density).

CVTemperature, applied stress, sintering parameters, heat treatment conditions, particle size.

04

Strengths & Limitations

Strengths

+Directly addresses a critical performance metric (creep resistance) for a key engineering application.
+Combines material science investigation with practical engineering application context.

Limitations

The cost and complexity of manufacturing metal matrix composites can be a barrier compared to traditional alloys.

Reliability & validity

The use of standardized creep testing procedures and detailed microstructural analysis (SEM, XRD) contributes to the reliability and validity of the findings.

Think critically

Beyond creep resistance, what other material properties might be affected by TiC reinforcement, and how could these secondary effects impact the overall performance of a turbine blade?

05

Design Principles

"Material composite design for enhanced performance under extreme conditions."

This development offers a pathway to creating lighter and more durable components for high-stress, high-temperature environments, such as turbine blades. The improved creep resistance directly translates to extended component lifespan and potentially higher operational efficiencies in demanding applications.

06

What This Means for Your Design

Adding tiny bits of a hard material (TiC) to a strong metal makes it even stronger against heat and pressure, and also makes it lighter, which is great for things like jet engine parts.

How to use in your project

1.Cite this study when discussing material selection for components subjected to creep and high temperatures, particularly if considering composite solutions.

07

Add to My Project

08

Quick Cite

(2017). Development of a TiC<sub>p</sub> Reinforced Ni-Based Superalloy MMC, with High Creep Resistance and Reduced Weight. Key engineering materials. https://doi.org/10.4028/www.scientific.net/kem.742.189 Retrieved from https://designdex.org/study/7073fce9-f8d6-47fe-b13e-df6ac9a6f527/tic-particle-reinforcement-enhances-creep-resistance-and-reduces-weight-in-polycrystalline-nickel-based-superalloys

Paragraph starter

Research by Lemos et al. (2017) demonstrates that reinforcing polycrystalline nickel-based superalloys with TiC particles can significantly enhance creep resistance while reducing material weight. This finding is relevant for the design of high-performance components in demanding environments, suggesting that composite materials offer a viable route to improved durability and efficiency.

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Source

Key engineering materials

Development of a TiC<sub>p</sub> Reinforced Ni-Based Superalloy MMC, with High Creep Resistance and Reduced Weight

journal · 2017

View source

Questions about this research

What does the research say about tic particle reinforcement enhances creep resistance and reduces weight in polycrystalline nickel-based superalloys?: Consider incorporating ceramic particle reinforcements like TiC into superalloys for applications requiring high creep resistance and weight reduction. Evidence: Key engineering materials (2017).
Why does "TiC Particle Reinforcement Enhances Creep Resistance and Reduces Weight in Polycrystalline Nickel-Based Superalloys" matter for design?: This development offers a pathway to creating lighter and more durable components for high-stress, high-temperature environments, such as turbine blades. The improved creep resistance directly translates to extended component lifespan and potentially higher operational efficiencies in demanding applications.
How can designers apply this research?: Consider incorporating ceramic particle reinforcements like TiC into superalloys for applications requiring high creep resistance and weight reduction.
What were the main findings?: TiC particle reinforcement improved the creep resistance of the nickel-based superalloy at 800 °C and 200 MPa.. The addition of TiC particles resulted in a reduction of the material's weight.
What research method was used?: Experimental research and materials testing.
How strong is the evidence?: Evidence strength is rated Strong effect, based on a 2017 journal from Key engineering materials.
What should I do differently in my next project?: When designing components for high-temperature, high-stress environments where weight is a critical factor, explore the use of metal matrix composites with ceramic reinforcements.
What are the limitations?: The study focused on a specific volume percentage and particle size of TiC; other combinations may yield different results. Long-term performance and fatigue life were not assessed.
Is there evidence that creep resistance affects design outcomes?: Adding TiC particles to the superalloy made it better at resisting deformation under heat and stress, and also made it lighter. This development offers a pathway to creating lighter and more durable components for high-stress, high-temperature environments, such as turbine blades. The improved creep resistance directly Source: Key engineering materials (2017).
Where does this high creep research apply?: Aerospace engineering, specifically high-pressure turbine components. It sits within final production research on designdex.org.